Adjustable self-balancing excavating apparatus,申请号US19530368788-传众专利搜索

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发明名称	Adjustable self-balancing excavating apparatus
摘要
申请公布号	US2753637(A)	申请公布日期	1956.07.10
申请号	US19530368788	申请日期	1953.07.17
申请人	WILLIAM THOMAS	发明人	THOMAS WILLIAM
分类号	E02F3/10;E02F5/02	主分类号	E02F3/10
代理机构		代理人
主权项
地址

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