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发明名称
Improvements in casting-patterns made of expanded plastics
摘要
申请公布号
GB1087234(A)
申请公布日期
1967.10.18
申请号
GB19660005215
申请日期
1966.02.07
申请人
GRUNZWEIG & HARTMANN AKTIENGESELLSCHAFT
发明人
WITTMOSER ADALBERT;SCHWEIKERT HEING
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
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