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发明名称
METHOD OF OBTAINING CASTINGS WITH SOLID SKIN AND CELLULAR CORE
摘要
申请公布号
SU574160(A3)
申请公布日期
1977.09.25
申请号
SU19731962854
申请日期
1973.09.25
申请人
INST PO METALOZNANIE TEKHNOLOGIYA NA METALITE (INOPREDPRIYATIE)
发明人
ANGEL TONCHEV VALEVSKI,BG;IVAN DIMOV NIKOLOV,BG;ASPARUKH MIKHAJLOV ANTONOV,BG;STEFAN GEORGIEV SEMERDZHIEV,BG
分类号
B29C43/00;B29C44/10;B29C45/00;B29C45/16;C08J9/10;(IPC1-7):C08J9/10
主分类号
B29C43/00
代理机构
代理人
主权项
地址
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