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摘要
申请公布号
SE303276(B)
申请公布日期
1968.08.26
申请号
SE19640000721
申请日期
1964.01.21
申请人
UNIVERSAL OIL PROD CO
发明人
POHLENZ J;SCOTT N
分类号
C01B3/28;C01B3/30;C01B3/40;C01B3/42;C01B3/44;(IPC1-7):C01B1/18
主分类号
C01B3/28
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代理人
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