Coal mining machine of the laterally cutting type,申请号US19560578119-传众专利搜索

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发明名称	Coal mining machine of the laterally cutting type
摘要
申请公布号	US2933294(A)	申请公布日期	1960.04.19
申请号	US19560578119	申请日期	1956.04.13
申请人	MEEHAN JR JAMES A	发明人	JR. JAMES A. MEEHAN,
分类号	E21C27/24	主分类号	E21C27/24
代理机构		代理人
主权项
地址

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