Sealing means for door bottoms,申请号US19490083377-传众专利搜索

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发明名称	Sealing means for door bottoms
摘要
申请公布号	US2663057(A)	申请公布日期	1953.12.22
申请号	US19490083377	申请日期	1949.03.25
申请人	UPHOFF RALPH E	发明人	UPHOFF RALPH E.
分类号	E06B7/23	主分类号	E06B7/23
代理机构		代理人
主权项
地址

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