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发明名称
Procédé et appareil pour la fabrication de meules pour moulins ou broyeurs à farine, pulpe, pâte, etc...
摘要
申请公布号
FR713338(A)
申请公布日期
1931.10.26
申请号
FRD713338
申请日期
1931.03.16
申请人
发明人
YOUNG JOHN WALTER
分类号
B02C7/12
主分类号
B02C7/12
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代理人
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