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发明名称
FORMMASSE FUER GIESSENREIFORMEN UND -KERNE
摘要
申请公布号
DE1508638(B1)
申请公布日期
1969.09.04
申请号
DE19651508638
申请日期
1965.08.17
申请人
FOSECO INT
发明人
HELLIWELL DEREK PRIESTLEY
分类号
B22C1/02;B22C1/04
主分类号
B22C1/02
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代理人
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