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经营范围
发明名称
Acid concentration
摘要
申请公布号
US2982624(A)
申请公布日期
1961.05.02
申请号
US19580724983
申请日期
1958.03.31
申请人
SHELL OIL COMPANY
发明人
SHULTZ IRVING I.
分类号
C01B17/88
主分类号
C01B17/88
代理机构
代理人
主权项
地址
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