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经营范围
发明名称
Improved process for the manufacture of spherical particles
摘要
申请公布号
GB590252(A)
申请公布日期
1947.07.11
申请号
GB19450009147
申请日期
1945.04.12
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
分类号
B01J2/08
主分类号
B01J2/08
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代理人
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