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发明名称
Подвесной механической роликовый ключ для свинчивания и развинчивания трубных соединений
摘要
申请公布号
SU113658(A1)
申请公布日期
1957.11.30
申请号
SU19560575311
申请日期
1956.02.29
申请人
SILIN V.A.;KHATSERNOV B.I.;CHERNENKO S.A.
发明人
SILIN V.A.;KHATSERNOV B.I.;CHERNENKO S.A.
分类号
E21B19/16;B25B15/00
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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