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发明名称
Приспособление к труботяжным станкам для изготовления захватов у труб
摘要
申请公布号
SU27923(A1)
申请公布日期
1932.10.31
申请号
SU19310096118
申请日期
1931.10.17
申请人
FEDOROV M.F.
发明人
FEDOROV M.F.
分类号
B21C5/00
主分类号
B21C5/00
代理机构
代理人
主权项
地址
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