Technology Patent


25 +

Patent

5 +

Invention patents

1 +

Appearance patent

19 +

Utility model patents

patent1
patent
Invention patent certificate 2
Utility Model Patent Certificate 11
Utility Model Patent Certificate 10
Utility Model Patent Certificate 9
Utility Model Patent Certificate 8
Utility Model Patent Certificate 7
< 12 >

© COPYRIGHT 2022

CHANGZHOU PUCHEN EL .ECTRONIC CO.,LTD.

ALL RIGHTS RESERVED | SEO标签

© COPYRIGHT 2022 CHANGZHOU PUCHEN EL .ECTRONIC CO.,LTD. Powered by www.300.cn  Changzhou | SEO  IPV6