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发明名称
TUBE EXPANDER
摘要
申请公布号
SU623616(A1)
申请公布日期
1978.09.15
申请号
SU19762427883
申请日期
1976.12.07
申请人
GRISHCHENKO PETR ,SU
发明人
GRISHCHENKO PETR ,SU
分类号
B21D39/06;(IPC1-7):B21D39/06
主分类号
B21D39/06
代理机构
代理人
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地址
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