Box type cap for excavating teeth,申请号US19340756722-传众专利搜索

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发明名称	Box type cap for excavating teeth
摘要
申请公布号	US2050014(A)	申请公布日期	1936.08.04
申请号	US19340756722	申请日期	1934.12.10
申请人	AMERICAN MANGANESE STEEL COMPANY	发明人	MORRISON HARRY L.
分类号	E02F9/28	主分类号	E02F9/28
代理机构		代理人
主权项
地址

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