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发明名称
METHOD OF PRODUCING HOLLOW PARTS WITH PIPE BRANCHES
摘要
申请公布号
SU845937(A1)
申请公布日期
1981.07.15
申请号
SU19772561856
申请日期
1977.12.16
申请人
LE POLT I IM. KALININA
发明人
KIRILLOV NIKOLAJ B,SU;KOBYSHEV ALEKSANDR N,SU;SHVETSOV ALEKSANDR P,SU;SERYAKOV EVGENIJ I,SU
分类号
B21C37/28;(IPC1-7):B21C37/28
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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