Soil aerating device,申请号US06/133800-传众专利搜索

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发明名称	Soil aerating device
摘要
申请公布号	USRE30705(E1)	申请公布日期	1981.08.11
申请号	US06/133800	申请日期	1980.03.25
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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