Improvements in or relating to rotary pumps,申请号GB19480006946-传众专利搜索

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发明名称	Improvements in or relating to rotary pumps
摘要
申请公布号	GB634019(A)	申请公布日期	1950.03.15
申请号	GB19480006946	申请日期	1948.03.05
申请人	THE SUN ENGINEERING (RICHMOND) LIMITED;RICHARD WATSON;EINAR TOBIASEN	发明人
分类号	A62C5/00	主分类号	A62C5/00
代理机构		代理人
主权项
地址

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