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发明名称
Способ изготовления сильфонов путем последовательных вытяжек гофра при прокатке трубы-заготовки между внутренними и внешними профилированными валками и устройство для его осуществления
摘要
申请公布号
SU147998(A1)
申请公布日期
1961.11.30
申请号
SU19490420240
申请日期
1949.08.10
申请人
发明人
KAGANOV B.A.
分类号
B21D15/06;B21D51/12
主分类号
B21D15/06
代理机构
代理人
主权项
地址
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