发明授权
EP0021718B1 Photosensitive condensation product, photosensitive compositions and lithographic printing plates containing said condensation product 失效
含有凝胶产品的感光性凝胶产品,感光性组合物和平版印刷板

Photosensitive condensation product, photosensitive compositions and lithographic printing plates containing said condensation product
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