Ditchbank disk plow,申请号US19480026052-传众专利搜索

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发明名称	Ditchbank disk plow
摘要
申请公布号	US2533129(A)	申请公布日期	1950.12.05
申请号	US19480026052	申请日期	1948.05.10
申请人	MARTIN FRANK J	发明人	MARTIN FRANK J.
分类号	A01B63/16;E02F5/02	主分类号	A01B63/16
代理机构		代理人
主权项
地址

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