SOIL ANTI-PACKING DEVICE,申请号CAD320995-传众专利搜索

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发明名称	SOIL ANTI-PACKING DEVICE
摘要
申请公布号	CA320995(A)	申请公布日期	1932.03.29
申请号	CAD320995	申请日期
申请人	GEORGE MELVILLE WEEKS	发明人	GEORGE MELVILLE WEEKS
分类号		主分类号
代理机构		代理人
主权项
地址

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