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发明名称
Perfectionnements aux broyeurs
摘要
申请公布号
FR39417(E)
申请公布日期
1931.10.19
申请号
FRD39417
申请日期
1930.11.24
申请人
BABCOCK & WILCOX LTD
发明人
分类号
B02C15/12
主分类号
B02C15/12
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