Clamshell earth-moving machine,申请号US19520264555-传众专利搜索

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发明名称	Clamshell earth-moving machine
摘要
申请公布号	US2755946(A)	申请公布日期	1956.07.24
申请号	US19520264555	申请日期	1952.01.02
申请人	BEVAN JAMES I	发明人	BEVAN JAMES I.
分类号	E02F3/413	主分类号	E02F3/413
代理机构		代理人
主权项
地址

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