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发明名称
Chemical process
摘要
申请公布号
US2865965(A)
申请公布日期
1958.12.23
申请号
US19570642338
申请日期
1957.02.26
申请人
THE AMERICAN OIL COMPANY
发明人
MAY PAUL D.;JR. JOHN A. RIDGWAY,;WADSWORTH FRANCIS T.
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