发明授权
EP0335688B1 Light-emitting or receiving device, encapsulant for light-emitting or receiving element and the method for encapsulating thereof 失效
一种发光或受光元件,用于Kapselungsstoff发光或受光元件和封装。

Light-emitting or receiving device, encapsulant for light-emitting or receiving element and the method for encapsulating thereof
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