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发明名称
Step-up switch mechanism
摘要
申请公布号
US2618719(A)
申请公布日期
1952.11.18
申请号
US19470752234
申请日期
1947.06.03
申请人
ROYAL PATENT CORPORATION
发明人
DURANT LYNDON A.;HORLICK GORDON
分类号
A63B71/06;H01H51/08
主分类号
A63B71/06
代理机构
代理人
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地址
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