VALVES WITH SELF-CLOSING CHARACTERISTICS,申请号CAD661821-传众专利搜索

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发明名称	VALVES WITH SELF-CLOSING CHARACTERISTICS
摘要
申请公布号	CA661821(A)	申请公布日期	1963.04.23
申请号	CAD661821	申请日期
申请人	KEL-WIN MANUFACTURING COMPANY	发明人	ROBERT J. KELLER, III
分类号		主分类号
代理机构		代理人
主权项
地址

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