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发明名称
Procédé pour la concrétion des poussières de hauts-fourneaux
摘要
申请公布号
FR689363(A)
申请公布日期
1930.09.05
申请号
FRD689363
申请日期
1930.02.03
申请人
ROCHLING'SCHE EISEN UND STAHLWERKE A. G.
发明人
分类号
C22B1/14
主分类号
C22B1/14
代理机构
代理人
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