Improvements in aspirators or air extraction pumps,申请号GB19610031803-传众专利搜索

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发明名称	Improvements in aspirators or air extraction pumps
摘要
申请公布号	GB976877(A)	申请公布日期	1964.12.02
申请号	GB19610031803	申请日期	1961.09.05
申请人	FISONS SCIENTIFIC APPARATUS LIMITED	发明人	COLLINS GEOFFREY
分类号	F04F5/04	主分类号	F04F5/04
代理机构		代理人
主权项
地址

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