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发明名称
ROPE-AND-PISTON FEED DEVICE
摘要
申请公布号
SU676725(A1)
申请公布日期
1979.07.30
申请号
SU19782585883
申请日期
1978.03.02
申请人
CHERNILOV ELYA G,SU;ILINSKIJ EVGENIJ ,SU;SHEVCHENKO ALEKSANDR ,SU;SHEVCHENKO ANDREJ ,SU;GUDZ NIKOLAJ ,SU
发明人
CHERNILOV ELYA G,SU;ILINSKIJ EVGENIJ ,SU;SHEVCHENKO ALEKSANDR ,SU;SHEVCHENKO ANDREJ ,SU;GUDZ NIKOLAJ ,SU
分类号
E21B19/086;E21B19/084;(IPC1-7):E21C5/06
主分类号
E21B19/086
代理机构
代理人
主权项
地址
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