Jolter adjunct for scraper-loader units,申请号US19580769677-传众专利搜索

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发明名称	Jolter adjunct for scraper-loader units
摘要
申请公布号	US2997798(A)	申请公布日期	1961.08.29
申请号	US19580769677	申请日期	1958.10.27
申请人	RUTH JOSEPH P	发明人	RUTH JOSEPH P.
分类号	E02F3/64	主分类号	E02F3/64
代理机构		代理人
主权项
地址

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