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发明名称
Приспособление для захвата сверл при нагреве и закалке
摘要
申请公布号
SU17291(A1)
申请公布日期
1930.09.30
申请号
SU19290045246
申请日期
1929.04.17
申请人
KVARTALNOV A.M.
发明人
KVARTALNOV A.M.
分类号
C21D9/00;C21D9/22
主分类号
C21D9/00
代理机构
代理人
主权项
地址
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