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经营范围
发明名称
Refining of hydrocarbon products
摘要
申请公布号
US1937113(A)
申请公布日期
1933.11.28
申请号
US19270173432
申请日期
1927.03.07
申请人
THE GRAY PROCESSES CORPORATION
发明人
GRAY THOMAS T.
分类号
C10G50/00
主分类号
C10G50/00
代理机构
代理人
主权项
地址
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