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发明名称
MECHANICAL COAL MINER MINING HEAD WITH ADJUSTABLE TAPERING
摘要
申请公布号
PL252686(A1)
申请公布日期
1986.10.07
申请号
PL19850252686
申请日期
1985.03.29
申请人
KATOWICKIE GWARECTWO WEGLOWE K
发明人
JEZ JOZEF;PIETREK JOZEF;CHMIEL TADEUSZ;GEBICKI ZBIGNIEW;JAROMIN ZYGMUNT;SZYMCZYK BOLESLAW;JANIK EUGENIUSZ
分类号
E21C;E21C25/10;(IPC1-7):E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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