Door opening and closing mechanism,申请号US19270239952-传众专利搜索

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法人/股东/高管

发明名称	Door opening and closing mechanism
摘要
申请公布号	US1769185(A)	申请公布日期	1930.07.01
申请号	US19270239952	申请日期	1927.12.14
申请人	MILLER HOMER C	发明人	MILLER HOMER C.
分类号	E05F11/12	主分类号	E05F11/12
代理机构		代理人
主权项
地址

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