Cutting chain lug and bit,申请号US19580745043-传众专利搜索

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法人/股东/高管

发明名称	Cutting chain lug and bit
摘要
申请公布号	US2890035(A)	申请公布日期	1959.06.09
申请号	US19580745043	申请日期	1958.06.27
申请人	NORRIS CLARENCE W	发明人	NORRIS CLARENCE W.
分类号	E21C35/19	主分类号	E21C35/19
代理机构		代理人
主权项
地址

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