Rotary spiral plow,申请号US19400332220-传众专利搜索

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发明名称	Rotary spiral plow
摘要
申请公布号	US2342030(A)	申请公布日期	1944.02.15
申请号	US19400332220	申请日期	1940.04.29
申请人	ANTHONY R. WANEZEK	发明人	BAGAN JOHN PETER
分类号	A01B33/10	主分类号	A01B33/10
代理机构		代理人
主权项
地址

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