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发明名称
Relay mechanism
摘要
申请公布号
US1863694(A)
申请公布日期
1932.06.21
申请号
US19300474851
申请日期
1930.08.12
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
PADMORE BERTRAM READ
分类号
H01H50/88
主分类号
H01H50/88
代理机构
代理人
主权项
地址
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