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发明名称
METHOD OF EXPANDING TUBES IN TUBE WALL OPENINGS
摘要
申请公布号
SU1031591(A1)
申请公布日期
1983.07.30
申请号
SU19803008361
申请日期
1980.11.26
申请人
VOLGOGRADSKIJ POLT INSTITUT
发明人
KOSULIN GENNADIJ A,SU;KOSULINA LYUDMILA P,SU
分类号
B21D39/06;(IPC1-7):B21D39/06
主分类号
B21D39/06
代理机构
代理人
主权项
地址
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