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经营范围
发明名称
METHOD OF PRODUCING FLANGED FITTINGS
摘要
申请公布号
SU841772(A1)
申请公布日期
1981.06.30
申请号
SU19782699991
申请日期
1978.12.22
申请人
LOBANOV VIKTOR K,SU;PONOMARENKO SERGEJ P,SU
发明人
LOBANOV VIKTOR K,SU;PONOMARENKO SERGEJ P,SU
分类号
B21K1/14;(IPC1-7):B21K1/14
主分类号
B21K1/14
代理机构
代理人
主权项
地址
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