Improvements in or relating to diaphragm pumps for injection purposes,申请号GB19390007071-传众专利搜索

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发明名称	Improvements in or relating to diaphragm pumps for injection purposes
摘要
申请公布号	GB525949(A)	申请公布日期	1940.09.06
申请号	GB19390007071	申请日期	1939.03.03
申请人	JOHN CYRIL BIGNELL	发明人
分类号	F02M37/04;F02M59/14	主分类号	F02M37/04
代理机构		代理人
主权项
地址

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