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发明名称
EXPANDING MANDREL
摘要
申请公布号
SU1135563(A2)
申请公布日期
1985.01.23
申请号
SU19833596956
申请日期
1983.05.30
申请人
MELNIKOV LEV K,SU;SMIRNOV VALERIJ S,SU
发明人
MELNIKOV LEV K,SU;SMIRNOV VALERIJ S,SU
分类号
B23B31/40;(IPC1-7):B23B31/40
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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