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经营范围
发明名称
EXPANDABLE MANDREL
摘要
申请公布号
SU709272(A1)
申请公布日期
1980.01.15
申请号
SU19772560227
申请日期
1977.12.28
申请人
MI PROIZVODSTVENNOGO OBEDINENIYA "TEKHENERGOKHIMPROM"
发明人
BRESLAVSKIJ VALENTIN A,SU;MAJSTROV IGOR ,SU;MAKHUN OLEG A,SU;PASHKOV ALEKSANDR P,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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