Improvements in or relating to couplings for lubricators,申请号GB19550012685-传众专利搜索

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发明名称	Improvements in or relating to couplings for lubricators
摘要
申请公布号	GB792710(A)	申请公布日期	1958.04.02
申请号	GB19550012685	申请日期	1955.05.02
申请人	CHAIM JAKOB NEUMAN	发明人
分类号	F16L37/23;F16L37/32;F16N21/04	主分类号	F16L37/23
代理机构		代理人
主权项
地址

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