Improvements in dry gas meters,申请号GB19490022920-传众专利搜索

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发明名称	Improvements in dry gas meters
摘要
申请公布号	GB669138(A)	申请公布日期	1952.03.26
申请号	GB19490022920	申请日期	1949.09.05
申请人	BEGWACO METERS LIMITED;EDWARD BUTTERWORTH	发明人
分类号	G01F3/22	主分类号	G01F3/22
代理机构		代理人
主权项
地址

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