Concrete pavement joint cleaner,申请号US19590850743-传众专利搜索

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发明名称	Concrete pavement joint cleaner
摘要
申请公布号	US3001778(A)	申请公布日期	1961.09.26
申请号	US19590850743	申请日期	1959.11.03
申请人	HISAO TOMITA;BRESHEARS ROBERT J;BRESHEARS EDGAR E	发明人	TOMITA HISAO;BRESHEARS ROBERT J.;BRESHEARS EDGAR E.
分类号	E01C23/09	主分类号	E01C23/09
代理机构		代理人
主权项
地址

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