Improvements in or relating to hydraulic jacks,申请号GB19470022303-传众专利搜索

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发明名称	Improvements in or relating to hydraulic jacks
摘要
申请公布号	GB655341(A)	申请公布日期	1951.07.18
申请号	GB19470022303	申请日期	1947.08.11
申请人	JEAN LOUIS GRATZMULLER	发明人
分类号	B66F3/28;E21D15/15	主分类号	B66F3/28
代理机构		代理人
主权项
地址

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