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发明名称
Photographic developers
摘要
申请公布号
GB775692(A)
申请公布日期
1957.05.29
申请号
GB19540028306
申请日期
1954.10.01
申请人
IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
RAMSAY DAVID WILLIAM CRICHTON
分类号
C07D209/48;G03C7/413
主分类号
C07D209/48
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代理人
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