Door operating mechanism,申请号US19370132076-传众专利搜索

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发明名称	Door operating mechanism
摘要
申请公布号	US2222841(A)	申请公布日期	1940.11.26
申请号	US19370132076	申请日期	1937.03.20
申请人	HOULIS LOUIS D	发明人	HOULIS LOUIS D.
分类号	E05F11/04	主分类号	E05F11/04
代理机构		代理人
主权项
地址

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