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经营范围
发明名称
PERFECTIONNEMENTS AUX GYROBROYEURS
摘要
申请公布号
BE778661(A1)
申请公布日期
1972.05.16
申请号
BE19720778661
申请日期
1972.01.28
申请人
ULTRAFINE, 46, RUE DE DOUAI, PARIS 9E, (FRANCE),
发明人
分类号
B02C13/18;(IPC1-7):B02C/
主分类号
B02C13/18
代理机构
代理人
主权项
地址
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