CERTIFICATE
OF LICENSE
許可認證書
中華人民共和國實用新型設計-工業用硬管直式內視鏡
專利證書第1917154號
Certificate No.1917154
專利號:ZL 2011 2 0002092.9
Patent Certificate No.ZL 2011 2 0002092.9
Certificate No.1917154
專利號:ZL 2011 2 0002092.9
Patent Certificate No.ZL 2011 2 0002092.9