Harrow,申请号US19270236808-传众专利搜索

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发明名称	Harrow
摘要
申请公布号	US1757512(A)	申请公布日期	1930.05.06
申请号	US19270236808	申请日期	1927.11.30
申请人	BREWTON JOSEPH L	发明人	BREWTON JOSEPH L.
分类号	A01B19/02	主分类号	A01B19/02
代理机构		代理人
主权项
地址

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