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发明名称
METHOD OF PRODUCING HOLLOW PARTS
摘要
申请公布号
SU778869(A1)
申请公布日期
1980.11.15
申请号
SU19782570996
申请日期
1978.01.24
申请人
OTEGOV SERGEJ S,SU;TIUNOV KONSTANTIN M,SU;PERMINOV VITALIJ P,SU
发明人
OTEGOV SERGEJ S,SU;TIUNOV KONSTANTIN M,SU;PERMINOV VITALIJ P,SU
分类号
B21D22/16;(IPC1-7):B21D22/16
主分类号
B21D22/16
代理机构
代理人
主权项
地址
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