Earth moving apparatus or the like,申请号US19520276802-传众专利搜索

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发明名称	Earth moving apparatus or the like
摘要
申请公布号	US2719641(A)	申请公布日期	1955.10.04
申请号	US19520276802	申请日期	1952.03.15
申请人	PILCH JOHN S	发明人	PILCH JOHN S.
分类号	E02F3/30;E02F3/407;E02F3/42	主分类号	E02F3/30
代理机构		代理人
主权项
地址

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