DEMOUNTABLE DUCT SEAL,申请号CAD540654-传众专利搜索

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发明名称	DEMOUNTABLE DUCT SEAL
摘要
申请公布号	CA540654(A)	申请公布日期	1957.05.07
申请号	CAD540654	申请日期
申请人	NORTHROP AIRCRAFT	发明人	GEORGE R. ALDRICH;KENNETH R. BRAGG
分类号		主分类号
代理机构		代理人
主权项
地址

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