| 摘要 |
The present invention relates to a glass pane whereby a broken pattern of white and black opaque material is applied to the surface or surfaces of the glass pane such that concentrated light from one side of the glass is reflected to such an extent that persons on that side of the glass may see the wall and may "read" the path of an object moving relative to said wall whilst persons disposed on the other side of said wall may see through the wall to a sufficient extent to also follow the path of said moving object. The glass panels of the present invention are particularly suitable for wall members for a squash, handball, racquet-ball or like court.
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