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发明名称
摘要
申请公布号
NO136185(B)
申请公布日期
1977.04.25
申请号
NO19710002706
申请日期
1971.07.15
申请人
RHONE-POULENC INDUSTRIES
发明人
PIERROT F;SCHWACHHOFER G
分类号
C01B17/04;C01B31/26;(IPC1-7):C01B31/26;C01B17/10
主分类号
C01B17/04
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代理人
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