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发明名称
Manufacture of silica-metal oxide spheroids
摘要
申请公布号
US2723243(A)
申请公布日期
1955.11.08
申请号
US19520301783
申请日期
1952.07.30
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
HOLDEN DONALD L.
分类号
B01J21/00;C10G45/04
主分类号
B01J21/00
代理机构
代理人
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