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发明名称
BERGBORR MED DUBBELKOLV
摘要
申请公布号
FI63469(B)
申请公布日期
1983.02.28
申请号
FI19750001769
申请日期
1975.06.13
申请人
INST GORNOGO DELA SIBIRSKOGO OTDELENIA AKADEMII NAUK SSSR
发明人
PETREEV ANATOLY MIKHAILOVICH;LIPIN ANATOLY ALEXEEVICH;RABKO VLADIMIR DAVYDOVICH;SUXOV GENNADY ILICH;KUNEGIN VLADIMIR IVANOVICH;KURDJUKOV ALEXANDR SAFRONOVICH
分类号
E21B1/00;E21B1/30;E21B1/38;(IPC1-7):E21C1/12
主分类号
E21B1/00
代理机构
代理人
主权项
地址
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