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经营范围
发明名称
Process for preparing carbon dioxide and siliceous materials
摘要
申请公布号
GB370889(A)
申请公布日期
1932.04.06
申请号
GB19300029906
申请日期
1930.10.06
申请人
THE PROCESS DEVELOPMENT COMPANY
发明人
分类号
C01B31/20
主分类号
C01B31/20
代理机构
代理人
主权项
地址
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