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发明名称
Connecting rod safety appliance for switches
摘要
申请公布号
US2302940(A)
申请公布日期
1942.11.24
申请号
US19410412041
申请日期
1941.09.23
申请人
EMERSON M. WILLIAMS
发明人
DENSON ROBERT
分类号
B61L5/02
主分类号
B61L5/02
代理机构
代理人
主权项
地址
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