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发明名称
Способ получения биметаллических труб
摘要
申请公布号
SU32680(A1)
申请公布日期
1933.10.31
申请号
SU19310100017
申请日期
1931.12.23
申请人
MAJBORODA P.S.
发明人
MAJBORODA P.S.
分类号
B22D19/16;B21B23/00
主分类号
B22D19/16
代理机构
代理人
主权项
地址
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