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发明名称
Perfectionnements aux tuyères
摘要
申请公布号
FR881260(A)
申请公布日期
1943.04.20
申请号
FRD881260
申请日期
1941.12.22
申请人
SOCIETE INDUSTRIELLE DE CONSTRUCTION ET D'OUTILLAGE
发明人
分类号
C10J3/80;C21B7/16
主分类号
C10J3/80
代理机构
代理人
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