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发明名称
SAND FOR MAKING CORES AND MOLDS IN HEATED JIGS
摘要
申请公布号
SU1668010(A1)
申请公布日期
1991.08.07
申请号
SU19894720349
申请日期
1989.07.18
申请人
INST PROBLEM LITYA AN USSR
发明人
SINCHUGOV ALEKSANDR YU,SU;CHERNENKO NADEZHDA G,SU;LITVINENKO MIKHAIL N,SU
分类号
B22C1/22
主分类号
B22C1/22
代理机构
代理人
主权项
地址
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