An improvements in or relating to gear-type rotary pumps,申请号GB19460006940-传众专利搜索

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发明名称	An improvements in or relating to gear-type rotary pumps
摘要
申请公布号	GB609108(A)	申请公布日期	1948.09.24
申请号	GB19460006940	申请日期	1946.03.06
申请人	DAVID BROWN & SONS (HUDDERSFIELD), LIMITED;WILLIAM ALFRED TUPLIN	发明人
分类号	F04C11/00	主分类号	F04C11/00
代理机构		代理人
主权项
地址

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