Improved hand tractor,申请号PHUM8222U-传众专利搜索

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发明名称	Improved hand tractor
摘要
申请公布号	PHUM5347(Z)	申请公布日期	1983.09.08
申请号	PHUM8222U	申请日期	1983.01.03
申请人		发明人
分类号	A01B3/02;(IPC1-7):A01B3/02	主分类号	A01B3/02
代理机构		代理人
主权项
地址

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