| 发明名称 |
Projection Screens and Methods for Making Such Projection Screens |
| 摘要 |
Projection screens and convenient and efficient methods of making such projection screens are provided. Recycled glass is reformed to provide glass microspheres of sufficient quality for use in a projection screen. |
| 申请公布号 |
KR100898422(B1) |
申请公布日期 |
2009.05.21 |
| 申请号 |
KR20037012695 |
申请日期 |
2003.09.29 |
| 申请人 |
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发明人 |
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| 分类号 |
G03B21/56;(IPC1-7):G03B21/56 |
主分类号 |
G03B21/56 |
| 代理机构 |
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代理人 |
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