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经营范围
发明名称
Art of cracking hydrocarbons
摘要
申请公布号
US1993894(A)
申请公布日期
1935.03.12
申请号
US19290362943
申请日期
1929.05.14
申请人
SINELAIR REFINING COMPANY
发明人
PELZER HARRY L.
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主分类号
代理机构
代理人
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