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经营范围
发明名称
Activated carbon and process of forming
摘要
申请公布号
US1875795(A)
申请公布日期
1932.09.06
申请号
US19280299441
申请日期
1928.08.13
申请人
CONTINENTAL OIL COMPANY
发明人
ZURCHER PAUL
分类号
C01B31/12
主分类号
C01B31/12
代理机构
代理人
主权项
地址
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