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发明名称
BEAM OF A ROOF SUPPORTS SHIFTING SYSTEM
摘要
申请公布号
PL187413(B1)
申请公布日期
2004.07.30
申请号
PL19980325214
申请日期
1998.03.07
申请人
FABRYKA MASZYN GORNICZYCH PIOMA SA
发明人
SZOPA KONRAD;SZULC JANUSZ;KOMAR KRZYSZTOF
分类号
E21D23/08;E21F13/08
主分类号
E21D23/08
代理机构
代理人
主权项
地址
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