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发明名称	DRY GAS METER
摘要
申请公布号	CA298688(A)	申请公布日期	1930.03.25
申请号	CAD298688	申请日期
申请人	PARKINSON AND COWAN (GAS METERS) LIMITED	发明人	FRANKLIN THORP;EDWARD BUTTERWORTH
分类号		主分类号
代理机构		代理人
主权项
地址

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