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发明名称
SELF-HARDENING SAND FOR MAKING CORES AND MOULDS
摘要
申请公布号
SU1507506(A1)
申请公布日期
1989.09.15
申请号
SU19884386630
申请日期
1988.01.25
申请人
KRISHTAL NINA S,SU;VOLKOV ALEKSANDR M,SU
发明人
KRISHTAL NINA S,SU;VOLKOV ALEKSANDR M,SU
分类号
B22C1/20;B22C1/10
主分类号
B22C1/20
代理机构
代理人
主权项
地址
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