IMPROVED POST HOLE DIGGER,申请号AU19890038237-传众专利搜索

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发明名称	IMPROVED POST HOLE DIGGER
摘要
申请公布号	AU615558(B2)	申请公布日期	1991.10.03
申请号	AU19890038237	申请日期	1989.07.19
申请人	RONALD KENNETH OVENS	发明人	RONALD KENNETH OVENS
分类号	E02F5/20;E21B19/087	主分类号	E02F5/20
代理机构		代理人
主权项
地址

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