LONG WALL EXCAVATING SHEARER USING TWO PIVOTING CUTTINGS DISCS,申请号AU19910083820-传众专利搜索

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发明名称	LONG WALL EXCAVATING SHEARER USING TWO PIVOTING CUTTINGS DISCS
摘要
申请公布号	AU8382091(A)	申请公布日期	1992.03.19
申请号	AU19910083820	申请日期	1991.09.11
申请人	JOHN LENNON WALLACE	发明人	JOHN LENNON WALLACE
分类号	E21C27/02	主分类号	E21C27/02
代理机构		代理人
主权项
地址

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