发明授权
EP0545620B1 An azo compound and an electrophotographic photosensitive member having a photosentive layer comprising the azo compound 失效
偶氮化合物和具有包含该偶氮化合物的感光层的电子照相感光构件

An azo compound and an electrophotographic photosensitive member having a photosentive layer comprising the azo compound
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