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发明名称
KORPUS GLOWICY ZAWORU HYDRAULICZNEGO PRZESUWAKA KOPALNIANEGO
摘要
申请公布号
PL103126(B1)
申请公布日期
1979.05.31
申请号
PL19770198077
申请日期
1977.05.11
申请人
发明人
分类号
E21D;E21D23/16;(IPC1-7):E21D23/16
主分类号
E21D
代理机构
代理人
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地址
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