Ground scraping and leveling implement,申请号US19470725070-传众专利搜索

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发明名称	Ground scraping and leveling implement
摘要
申请公布号	US2465077(A)	申请公布日期	1949.03.22
申请号	US19470725070	申请日期	1947.01.29
申请人	ERMITANO VALENTIN G	发明人	ERMITANO VALENTIN G.
分类号	E02F3/76	主分类号	E02F3/76
代理机构		代理人
主权项
地址

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