| 摘要 |
DISTORTION FREE WINDOW SCREENS An improved window screen comprising a frame supporting an essentially transparent screen including a plurality of intersecting strands, each of said strands being substantially free of optical attenuation and optical distortion; said frame comprising suitable support means for maintaining said intersecting strands comprising said screen in tension, said transparent screen comprising a woven arrangement of elongated substantially round elements each being transparent in all planes such that all light impinging thereon passes therethrough without significant distortion or attenuation.
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