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发明名称
Procédé et dispositifs pour la fabrication de billes
摘要
申请公布号
FR1313320(A)
申请公布日期
1962.12.28
申请号
FR19610879312
申请日期
1961.11.17
申请人
SOCIETE PIERRON
发明人
分类号
B28B3/00;B28B11/08;B28B13/02
主分类号
B28B3/00
代理机构
代理人
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