一种具备自动检测胶球数量的胶球装球室

Hits:

Patent Applicant:王圣毫(S)

Note:专利证书编号:ZL201810447637.3

Service Invention or Not:no

Application Date:2018-05-11

Publication Date:2018-11-16

Authorization Date:2019-08-09

First Author:Zhao Yong