发明名称 |
SCHERMO DI PROIEZIONE E PROCEDIMENTO PER LA SUA FABBRICAZIONE |
摘要 |
<p>A projection screen is disclosed having a surface formed by a plurality of irregularly distributed microstructural elements shaped like the outer surface of contiguous bubbles. Also disclosed is a method for making such projection screens.</p> |
申请公布号 |
IT1087294(B) |
申请公布日期 |
1985.06.04 |
申请号 |
IT19770029463 |
申请日期 |
1977.11.09 |
申请人 |
LANDIS & GYR LGZ ZUG AG |
发明人 |
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分类号 |
G03B21/602;(IPC1-7):G03B/ |
主分类号 |
G03B21/602 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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