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发明名称
Objets en matière granulaire agglomérée céramiquement et leur procédé de fabrication
摘要
申请公布号
FR817978(A)
申请公布日期
1937.09.15
申请号
FRD817978
申请日期
1936.11.06
申请人
COMPAGNIE DES MEULES NORTON
发明人
分类号
C04B33/13
主分类号
C04B33/13
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