Door controlling device,申请号US19480027413-传众专利搜索

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发明名称	Door controlling device
摘要
申请公布号	US2560860(A)	申请公布日期	1951.07.17
申请号	US19480027413	申请日期	1948.05.17
申请人	HANNEGAN THOMAS P	发明人	HANNEGAN THOMAS P.
分类号	E05C17/40	主分类号	E05C17/40
代理机构		代理人
主权项
地址

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