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发明名称
Nouvelle forme d'utilisation des pierres abrasives et produits industriels qui en résultent
摘要
申请公布号
FR910652(A)
申请公布日期
1946.06.14
申请号
FRD910652
申请日期
1944.12.07
申请人
发明人
MACHANOVITCH LEON
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
主权项
地址
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