CLOSURE DEVICE FOR APERTURES,申请号CAD569173-传众专利搜索

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发明名称	CLOSURE DEVICE FOR APERTURES
摘要
申请公布号	CA569173(A)	申请公布日期	1959.01.20
申请号	CAD569173	申请日期
申请人	EASTERN METALS RESEARCH CO.	发明人	LEO B. GLASER;FRANK A. VOTTA, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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