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发明名称
MINE SHAFT TUBBING
摘要
申请公布号
PL245432(A1)
申请公布日期
1985.07.02
申请号
PL19830245432
申请日期
1983.12.30
申请人
GORNICZO HUTNICZY MIEDZI
发明人
KOSIOROWSKI ALFRED;RAWSKI JOZEF;KUSZEWSKI ANDRZEJ
分类号
E21D;E21D5/10;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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