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发明名称
COAL MINER'S CUTTING HEAD
摘要
申请公布号
PL170754(B1)
申请公布日期
1997.01.31
申请号
PL19930299859
申请日期
1993.07.27
申请人
KATOWICKI HOLDING WEGLOWY SA KOPALNIA WEGLA KAMIENNEGO "STASZIC"
发明人
KOSZELA EDWARD;BYRSKI JERZY;JEDRUSZEK JANUSZ;KLOSEK RYSZARD
分类号
E21C25/10;(IPC1-7):E21C25/10
主分类号
E21C25/10
代理机构
代理人
主权项
地址
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