SUPPORTING STRUCTURE FOR A SUSPENDED SILL LOAD CARRYING GRATE,ADAPTED FOR MINING AREAS WITH A POSSIBILITY OF HORIZONTAL AND VERTICAL RECTIFICATION,申请号PL19840246333-传众专利搜索

发明名称	SUPPORTING STRUCTURE FOR A SUSPENDED SILL LOAD CARRYING GRATE,ADAPTED FOR MINING AREAS WITH A POSSIBILITY OF HORIZONTAL AND VERTICAL RECTIFICATION
摘要
申请公布号	PL142552(B1)	申请公布日期	1987.10.31
申请号	PL19840246333	申请日期	1984.02.21
申请人		发明人
分类号	E04H;E04H9/02;F22B37/24;F24H;(IPC1-7):F22B37/24	主分类号	E04H
代理机构		代理人
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