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经营范围
发明名称
Способ холодного изгибания труб
摘要
申请公布号
SU112227(A1)
申请公布日期
1957.11.30
申请号
SU19570573789
申请日期
1957.05.29
申请人
GALPERIN A.I.
发明人
GALPERIN A.I.
分类号
B21D7/03
主分类号
B21D7/03
代理机构
代理人
主权项
地址
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