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发明名称
Trolley and current collector means
摘要
申请公布号
US2117552(A)
申请公布日期
1938.05.17
申请号
US19350037953
申请日期
1935.08.26
申请人
FRANK HARRISON J L;MESSING JOSEPH A
发明人
FRANK HARRISON J. L.;MESSING JOSEPH A.
分类号
H01R41/00
主分类号
H01R41/00
代理机构
代理人
主权项
地址
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