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[问题求助] UL电线表面印字是否有标准其一排字后之间间距是否有标准?
P:2010-03-04 15:57:25
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完整的印字内容要在1米内体现,其它并没有规定。此要求可以在跟踪服务细则的Sec.Gen部分查到,例如:
For products meeting only Canadian requirements, surface printing is required for finished products having an overall diameter of 1.3 mm and larger. A finished product shall have a distinctive marking throughout its entire length by which it may be readily recognized as the product of a particular factory. The marking shall consist of surface printing, indent‑marking, embossing, colored threads, or printed tape. If the marking is not continuous, it shall appear at intervals of not more than 1 m. A finished product of Appliance Wiring Material shall also be legibly and durably identified with the following marked at intervals not more than 1 m:network information service - 网络信息服务 (0) 投诉
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