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发明名称
COLLOIDAL SILICA
摘要
申请公布号
CA798804(A)
申请公布日期
1968.11.12
申请号
CAD798804
申请日期
申请人
KONINKLIJKE ZWAVELZUURFABRIEKEN VOORHEEN KETJEN N.V.;CABOT CORPORATION
发明人
FRANCIS R. SAMPSON;RICHARD F. HEITMILLER
分类号
主分类号
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代理人
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