ROTARY BALL VALVE AND SEAL THEREFOR,申请号CAD875421-传众专利搜索

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发明名称	ROTARY BALL VALVE AND SEAL THEREFOR
摘要
申请公布号	CA875421(A)	申请公布日期	1971.07.13
申请号	CAD875421	申请日期
申请人	B.C. RICHARDS AND CO. PTY. LTD.	发明人	CECIL G. F. RICHARDS
分类号		主分类号
代理机构		代理人
主权项
地址

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