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发明名称
ENDMOST SECTION OF A LONGWALL HEADING ROOF SUPPORTING SYSTEM
摘要
申请公布号
PL351366(A1)
申请公布日期
2003.06.30
申请号
PL20010351366
申请日期
2001.12.24
申请人
CENTRUM MECHANIZACJI GORNICTWA KOMAG
发明人
SZYGULA MAREK;CIESLAK ZBIGNIEW;JENCZMYK DARIUSZ;LENARD JAN;BEDNARZ RYSZARD
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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