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经营范围
发明名称
Treatment of hydrocarbons
摘要
申请公布号
US2267142(A)
申请公布日期
1941.12.23
申请号
US19380195159
申请日期
1938.03.10
申请人
ALVAH SMITH WILLIAM
发明人
SMITH WILLIAM ALVAH
分类号
C10L1/185
主分类号
C10L1/185
代理机构
代理人
主权项
地址
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