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发明名称
Понтон
摘要
申请公布号
SU118711(A1)
申请公布日期
1958.11.30
申请号
SU19460328700
申请日期
1946.12.26
申请人
IVANOV I.A.
发明人
IVANOV I.A.
分类号
C22F1/04;C22F1/047
主分类号
C22F1/04
代理机构
代理人
主权项
地址
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