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发明名称
SAND FOR MAKING MOULDS AND CORES
摘要
申请公布号
SU1583207(A1)
申请公布日期
1990.08.07
申请号
SU19884405863
申请日期
1988.04.08
申请人
VNII OKHRANY TRUDA V G.SVERDLOVSKE;TSNII METALLURGII MATERIALOV
发明人
LYAPKIN ALEKSANDR A,SU;PORKHUNOV RUDOLF V,SU;CHURAKOVA NADEZHDA S,SU;SHULDINER EVGENIJ S,SU
分类号
B22C1/02;B22C1/18
主分类号
B22C1/02
代理机构
代理人
主权项
地址
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