Improvements in automatic vacuum pipe couplings,申请号GB19570009010-传众专利搜索

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发明名称	Improvements in automatic vacuum pipe couplings
摘要
申请公布号	GB876172(A)	申请公布日期	1961.08.30
申请号	GB19570009010	申请日期	1957.03.19
申请人	DOWTY HYDRAULIC UNITS LIMITED	发明人	PAWLING FRANK
分类号	F16L29/00;F16L37/413;F16L37/58	主分类号	F16L29/00
代理机构		代理人
主权项
地址

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