发明授权
EP0519419B1 Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same 失效
无定形的酞菁化合物或无定形的酞菁化合物的混合物和它们的制备方法

Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same
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