Draft preventing attachment for doors,申请号US19490112356-传众专利搜索

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法人/股东/高管

发明名称	Draft preventing attachment for doors
摘要
申请公布号	US2625718(A)	申请公布日期	1953.01.20
申请号	US19490112356	申请日期	1949.08.25
申请人	KETCHAM CHARLES E	发明人	KETCHAM CHARLES E.
分类号	E06B7/20	主分类号	E06B7/20
代理机构		代理人
主权项
地址

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