Mechanized production of solid fuel,申请号US19450625413-传众专利搜索

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发明名称	Mechanized production of solid fuel
摘要
申请公布号	US2606010(A)	申请公布日期	1952.08.05
申请号	US19450625413	申请日期	1945.10.29
申请人	PITTSBURGH CONSOLIDATION COAL COMPANY	发明人	HOWARD FRANK A.
分类号	E21C35/20	主分类号	E21C35/20
代理机构		代理人
主权项
地址

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