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发明名称
Способ изгибания труб
摘要
申请公布号
SU37968(A1)
申请公布日期
1934.07.31
申请号
SU19330133471
申请日期
1933.08.13
申请人
VALUNOV F.I.
发明人
VALUNOV F.I.
分类号
B21D9/03
主分类号
B21D9/03
代理机构
代理人
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