Attachment for doors,申请号US19280266983-传众专利搜索

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发明名称	Attachment for doors
摘要
申请公布号	US1807841(A)	申请公布日期	1931.06.02
申请号	US19280266983	申请日期	1928.04.03
申请人	FRANCIS KEIL & SON, INC.	发明人	HANSEN HERMAN
分类号	E06B7/30	主分类号	E06B7/30
代理机构		代理人
主权项
地址

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