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发明名称
Procédé perfectionné de production de laitiers poreux ou autres produits de fusion analogues
摘要
申请公布号
FR922472(A)
申请公布日期
1947.06.10
申请号
FRD922472
申请日期
1946.02.15
申请人
发明人
GALLAI-HATCHARD MARCEL
分类号
C21B3/06
主分类号
C21B3/06
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