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经营范围
发明名称
LONGWALL HEADING ROOF SUPPORT
摘要
申请公布号
PL247861(A1)
申请公布日期
1985.12.03
申请号
PL19840247861
申请日期
1984.05.25
申请人
CT KT MASZYN GORNICZYCH KOMAG
发明人
SZOPKA HUBERT;ROMANOWICZ STANISLAW;ROZMUS EDWARD;ANCZOK HUBERT
分类号
E21D;E21D23/08;E21F13/08;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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