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发明名称
MOULD FOR MANUFACTURING INVESTMENT PATTERNS
摘要
申请公布号
SU1503973(A1)
申请公布日期
1989.08.30
申请号
SU19864121090
申请日期
1986.09.18
申请人
YANKOVICH LEONID N,SU;ANTONOVA LYUDMILA,SU
发明人
YANKOVICH LEONID N,SU;ANTONOVA LYUDMILA I,SU
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
主权项
地址
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