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点击标准号，了解更新内容：
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标准号
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版本
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修订版本
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生效期
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1
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UL 1581
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4
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June 9, 2017
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10/22/2018
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2
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UL 1703
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3
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September 13, 2017
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10/22/2018
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3
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NFPA 72
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2016
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September 7, 2015
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1/25/2020
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4
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UL 61010-1 / CSA C22.2 No. 61010-1-04
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Standard withdrawn replaced by UL 61010-1 / CSA C22.2 No. 61010-1-12, Third Edition, May 11, 2012
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1/1/2018
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5
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UL 817
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12
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March 11, 2015 and January 5, 2016
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2/7/2021
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6
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UL 347A
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1
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6/27/2017
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1/4/2020
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7
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CSA C22.2 No 203
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3
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April 1, 2016 and July 7, 2016
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8/1/2019
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8
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CSA 6.19
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2
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January 1, 2017
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5/28/2021
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9
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CSA C22.2 No 232
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3
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3/1/2017
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11/10/2018
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10
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CSA C22.2 No 230
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3
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3/1/2017
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11/10/2018
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11
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UL 1283
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7
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5/17/2017
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6/4/2019
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