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发明名称
METHOD OF PRODUCING BIMETALLIC BILLET
摘要
申请公布号
SU1452654(A1)
申请公布日期
1989.01.23
申请号
SU19874260767
申请日期
1987.04.07
申请人
SEVERNYJ G SOYUZNOGO NI TRAKTORNOGO INSTITUTA
发明人
CHENGURAEV LEONID I,SU
分类号
B22D19/00
主分类号
B22D19/00
代理机构
代理人
主权项
地址
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