Improvements relating to dry gas meters,申请号GB19290008520-传众专利搜索

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发明名称	Improvements relating to dry gas meters
摘要
申请公布号	GB330640(A)	申请公布日期	1930.06.16
申请号	GB19290008520	申请日期	1929.03.15
申请人	STEPHEN SIMPSON;WILLEY & COMPANY LIMITED	发明人
分类号	G01F15/00	主分类号	G01F15/00
代理机构		代理人
主权项
地址

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