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sherryxj 发表于 2013-5-14 19:35
" k& N) N. M/ J" g264B是固定的还是按类别还是按申请人不同而不同呢,怎么来的呢
) z# X. B1 x m6 \* m8 LThis control No. is randomly assigned by UL to its customer, normally, only UL listed products with the listing mark can have this control No., it must be indicated in the UL FUS procedure(Listing mark data page), here, you can find out the detailed requirements for the UL mark.
5 h/ t% S' U- I$ ?
: Q5 ~% {& B( i5 c9 ^3 }Don't focus more on its root meaning of this control No., it's only a code, something like the UL CCN, no specified indication. |
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