Improvements in dry gas meters,申请号GB19490020789-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	GB684484(A)	申请公布日期	1952.12.17
申请号	GB19490020789	申请日期	1949.08.10
申请人	BERGWACO METERS LIMITED;EDWARD BUTTERWORTH;ERIC JOHN HINCHCLIFFE	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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