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
分类号 G03B21/602;(IPC1-7):G03B/ 主分类号 G03B21/602
代理机构 代理人
主权项
地址