Sapeed controlled contact arrangement,申请号US19520291751-传众专利搜索

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发明名称	Sapeed controlled contact arrangement
摘要
申请公布号	US2687456(A)	申请公布日期	1954.08.24
申请号	US19520291751	申请日期	1952.06.14
申请人		发明人
分类号	H01H35/10	主分类号	H01H35/10
代理机构		代理人
主权项
地址

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