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经营范围
发明名称
STRUCTURE FOR SUPPORTING MINING SPACE PARTICULARLY AREA BEING AT THE JUNCTURE OF ENTRY AND WINNING
摘要
申请公布号
HUT58122(A)
申请公布日期
1992.01.28
申请号
HU19890004551
申请日期
1989.09.01
申请人
OROSZLANYI SZENBANYAK,HU
发明人
RACZ,MATYAS,HU;ERDOES,JENOE,HU;VARRO,JENOE,HU;ILLYES,ZOLTAN,HU
分类号
E21D15/44;(IPC1-7):E21D15/44
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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