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发明名称
METHOD OF PRODUCING HOLLOW CONNECTION ELEMENTS OF PIPE-LINES FROM ROUND BILLETS
摘要
申请公布号
SU1444026(A1)
申请公布日期
1988.12.15
申请号
SU19864096612
申请日期
1986.07.25
申请人
MO ENERGETICHESKIJ INSTITUT
发明人
CHOLOVSKIJ VLADIMIR N,SU;KOKHNENKO VALTER A,SU;SINITSIN ANDREJ P,SU
分类号
B21D9/00
主分类号
B21D9/00
代理机构
代理人
主权项
地址
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