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发明名称
УСТРОЙСТВО ДЛЯ ЗАКАЛКИ МЕТАЛЛИЧЕСКИХ ШАРОВ
摘要
申请公布号
RU11790(U1)
申请公布日期
1999.11.16
申请号
RU19990110060U
申请日期
1999.05.11
申请人
发明人
分类号
C21D9/36
主分类号
C21D9/36
代理机构
代理人
主权项
地址
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