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发明名称
Improvements relating to cock pieces for electric or other instruments
摘要
申请公布号
GB332410(A)
申请公布日期
1930.07.24
申请号
GB19290022593
申请日期
1929.07.23
申请人
NALDER BROTHERS & THOMPSON LIMITED;FRANCIS HENRY NALDER
发明人
分类号
G01R1/10
主分类号
G01R1/10
代理机构
代理人
主权项
地址
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