Improvements in or relating to machines for use as mechanical shovels and the like,申请号GB19550019305-传众专利搜索

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发明名称	Improvements in or relating to machines for use as mechanical shovels and the like
摘要
申请公布号	GB774162(A)	申请公布日期	1957.05.08
申请号	GB19550019305	申请日期	1955.07.04
申请人	FIRMIN ROGER ARNAL	发明人
分类号	E02F3/30;E02F3/42;E02F9/04;E02F9/08	主分类号	E02F3/30
代理机构		代理人
主权项
地址

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