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发明名称
VERBESSERUNGEN BEI DER GESTALTUNG VON GIESS-FORMKERNPAKETEN
摘要
申请公布号
DE3829402(A1)
申请公布日期
1989.05.03
申请号
DE19883829402
申请日期
1988.08.30
申请人
ARANA ERANA, AGUSTIN, VITORIA, ALAVA, ES
发明人
ARANA ERANA, AGUSTIN, VITORIA, ALAVA, ES
分类号
B22C9/10
主分类号
B22C9/10
代理机构
代理人
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