Adaptor lever arm electro-magnetic door closer,申请号US19640346618-传众专利搜索

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发明名称	Adaptor lever arm electro-magnetic door closer
摘要
申请公布号	US3284840(A)	申请公布日期	1966.11.15
申请号	US19640346618	申请日期	1964.02.24
申请人	WESLEY HEIL;PHILLIP N. HEIL	发明人	ULMAN AMBROSE C.
分类号	A62C2/12	主分类号	A62C2/12
代理机构		代理人
主权项
地址

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