Improvements in aspirator heads,申请号GB19490004185-传众专利搜索

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发明名称	Improvements in aspirator heads
摘要
申请公布号	GB659626(A)	申请公布日期	1951.10.24
申请号	GB19490004185	申请日期	1949.02.16
申请人	HENRY MULLENEUX GRAYSON;GEORGE HARROLD	发明人
分类号	B63B27/25;B65G53/42	主分类号	B63B27/25
代理机构		代理人
主权项
地址

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