Land leveling machine,申请号US19480031488-传众专利搜索

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发明名称	Land leveling machine
摘要
申请公布号	US2650441(A)	申请公布日期	1953.09.01
申请号	US19480031488	申请日期	1948.06.07
申请人	SHUMAKER LAWRENCE E	发明人	SHUMAKER LAWRENCE E.
分类号	E02F3/84	主分类号	E02F3/84
代理机构		代理人
主权项
地址

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