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ISO7640, notation of cTUVus logo

Dear Specialists,

My customer wants to know about notation of cTUVus logo. 

ISO7640FMDWR was adopted by cTUVus certification and  comfirmed by HP.

They have already been used, but it can't be seen cTUVus logo both device and shipping supplies.  

The customer said  that generally logo is able to be seen either device or shipping supplies. 

So could you please advise the following two questions.

(1) Where can he get a logo of cTUVus description?

(2)Could you please tell him the reason of not be described at device or shipping supplies.

(ex. TI has got a certificate of resistration, there is no need to attach. etc.) 

Best regards,

Shinichi