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经营范围
发明名称
FOERFARANDE FOER INBRYTNING AV EN TUNNEL I BERGGRUNDEN MEDELST BERGBORRMASKIN
摘要
申请公布号
FI811553(A0)
申请公布日期
1981.05.20
申请号
FI19810001553
申请日期
1981.05.20
申请人
OY TAMPELLA AB
发明人
STROEM, ROLF;KARRU, ESA;SALMI, PEKKA;MAEKI-KIHNIAE, KALEVI;HAEKKINEN, LEO;HELIN, AIMO
分类号
E21D9/10;(IPC1-7):E21C/
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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