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经营范围
发明名称
GASIFIED PATTERN-BASED CASTING METHOD
摘要
申请公布号
SU1731407(A1)
申请公布日期
1992.05.07
申请号
SU19904805737
申请日期
1990.03.26
申请人
VNII OKHRANY TRUDA VTSSPS V G.SVERDLOVSKE
发明人
LYAPKIN ALEKSANDR A,SU;POPOV VLADIMIR B,SU;VASILCHENKO ALEKSANDR I,SU;KIRICHENKO ANATOLIJ N,SU
分类号
B22C9/12
主分类号
B22C9/12
代理机构
代理人
主权项
地址
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