Tree falling and lowering device,申请号US19280274455-传众专利搜索

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发明名称	Tree falling and lowering device
摘要
申请公布号	US1767444(A)	申请公布日期	1930.06.24
申请号	US19280274455	申请日期	1928.05.02
申请人	FRASER FRANK C	发明人	FRASER FRANK C.
分类号	A01G23/00	主分类号	A01G23/00
代理机构		代理人
主权项
地址

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