Improvements in and relating to lifting jacks,申请号GB19300014685-传众专利搜索

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发明名称	Improvements in and relating to lifting jacks
摘要
申请公布号	GB347497(A)	申请公布日期	1931.04.30
申请号	GB19300014685	申请日期	1930.05.13
申请人	EDWARD COLLIER THOMSON	发明人
分类号	B66F1/00;B66F1/06	主分类号	B66F1/00
代理机构		代理人
主权项
地址

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