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发明名称
3-pyrazolidinone derivatives and their use as photographic developers
摘要
申请公布号
GB943694(A)
申请公布日期
1963.12.04
申请号
GB19610019700
申请日期
1961.05.31
申请人
ILFORD LIMITED
发明人
FICKEN GEOFFREY ERNEST
分类号
C07D231/08;G03C5/30;G03C7/413
主分类号
C07D231/08
代理机构
代理人
主权项
地址
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