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经营范围
发明名称
PURIFICATION BY SELECTIVE CRYSTALLIZATION AND REMELT
摘要
申请公布号
US3449087(A)
申请公布日期
1969.06.10
申请号
USD3449087
申请日期
1966.06.27
申请人
COMMERCE USA
发明人
CHARLES PROFFER SAYLOR
分类号
C30B13/00;C30B13/02;C30B13/16;C30B13/28;(IPC1-7):B01D9/00;B01J17/20;C01D3/20
主分类号
C30B13/00
代理机构
代理人
主权项
地址
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