GAS EXTRACTION OF COAL,申请号GB19730058350-传众专利搜索

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发明名称	GAS EXTRACTION OF COAL
摘要
申请公布号	GB1481695(A)	申请公布日期	1977.08.03
申请号	GB19730058350	申请日期	1973.12.17
申请人	COAL IND LTD	发明人
分类号	B01D11/02;C10G1/04;(IPC1-7):C10G1/04	主分类号	B01D11/02
代理机构		代理人
主权项
地址

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