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发明名称
PHOTOCHROMIC COMPOSITIONS
摘要
申请公布号
CA876656(A)
申请公布日期
1971.07.27
申请号
CAD876656
申请日期
申请人
AMERICAN CYANAMID COMPANY
发明人
GEORGE H. DORION;JOHN J. CERRETA
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主分类号
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