BALL AND ROLLER BEARING,申请号CAD449143-传众专利搜索

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发明名称	BALL AND ROLLER BEARING
摘要
申请公布号	CA449143(A)	申请公布日期	1948.06.15
申请号	CAD449143	申请日期
申请人	POWER JETS (RESEARCH AND DEVELOPMENT) LIMITED	发明人	DANIEL NORMAN WALKER
分类号		主分类号
代理机构		代理人
主权项
地址

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