Door operating mechanism,申请号US19280312096-传众专利搜索

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发明名称	Door operating mechanism
摘要
申请公布号	US1836059(A)	申请公布日期	1931.12.15
申请号	US19280312096	申请日期	1928.10.12
申请人	DOOR-MOTIVE CORPORATION	发明人	BANCROFT JAMES E.
分类号	E05F15/16	主分类号	E05F15/16
代理机构		代理人
主权项
地址

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