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发明名称
RAIL HORSEHEAD
摘要
申请公布号
PL54589(Y1)
申请公布日期
1996.10.31
申请号
PL19930097711U
申请日期
1993.04.26
申请人
RYBNICKA SP. WEGLOWA SA KOPALNIA WEGLA KAMIENNEGO "RYDULTOWY"
发明人
CHLUBA GERARD;WANIEK JOZEF
分类号
E21D11/12;E21D11/40;E21D19/04;(IPC1-7):E21D11/12
主分类号
E21D11/12
代理机构
代理人
主权项
地址
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