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标题: UL证书号YTSX.E25549前缀YTSX什么意思 [打印本页]

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作者: hsslss    时间: 2015-11-26 09:54
标题: UL证书号YTSX.E25549前缀YTSX什么意思
UL证书号YTSX.E25549前缀YTSX什么意思
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作者: simonzhang    时间: 2015-11-26 10:10
是UL 的CCN。每一种产品都对应一个CCN。YTSX 这个CCN 涵盖的产品包括以下
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# G" J, |" Y6 f( a! Q' _, h1 B9 rThis category covers electrically operated valves (designated as general-purpose valves or safety valves). Such valves that may be equipped with complementary or optional mechanical actuators are also covered under this category.

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作者: wuyueguang    时间: 2015-11-26 21:19
Control category number.

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