PROCEDE D'OBTENTION DE LA POUDRE DE FER PAR BROYAGE HUMIDE
申请公布号:RO66876(A2)
申请号:RO19740079978
申请日期:1974.09.13
申请公布日期:1978.12.15
发明人:SPIRCHEZ,ZENO,RO
分类号:B02B5/02;B02C23/18;(IPC1-7):B02B5/02;B22F1/04
主分类号:B02B5/02
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