SELF-CLEANING RAKE,申请号CAD389958-传众专利搜索

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发明名称	SELF-CLEANING RAKE
摘要
申请公布号	CA389958(A)	申请公布日期	1940.07.16
申请号	CAD389958	申请日期
申请人	DON L. BEALL	发明人	DON L. BEALL
分类号		主分类号
代理机构		代理人
主权项
地址

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