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发明名称
Приспособление для закалки сверл и других цилиндрических изделий прокатыванием их между двумя плоскостями в закалочной ванне
摘要
申请公布号
SU24428(A1)
申请公布日期
1931.12.31
申请号
SU19290057761
申请日期
1929.11.04
申请人
ROMEJKO S.I.
发明人
ROMEJKO S.I.
分类号
C21D9/22;C21D1/63
主分类号
C21D9/22
代理机构
代理人
主权项
地址
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