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经营范围
发明名称
Refining hydrocarbons
摘要
申请公布号
US1901158(A)
申请公布日期
1933.03.14
申请号
US19300471454
申请日期
1930.07.29
申请人
THE GRAY PROCESSES CORPORATION
发明人
GRAY THOMAS T.
分类号
B01J8/00;B01J8/02
主分类号
B01J8/00
代理机构
代理人
主权项
地址
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