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经营范围
发明名称
Herstellung kuenstlicher Schleifmittel
摘要
申请公布号
DE521124(C)
申请公布日期
1931.03.18
申请号
DE1928S086062D
申请日期
1928.06.17
申请人
SOC. ANONYME DES MANUFACTURES DES GLACES & PRODUITS CHIMIQUES DE ST. GOBAIN;CHAUNY & CIREY
发明人
分类号
C01F7/44
主分类号
C01F7/44
代理机构
代理人
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地址
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