| 摘要 |
<p>PATTERN REPRODUCTION TABLE A pattern reproduction table incorporates a support grid which supports a transparent perforated sheet above a plurality of lamps. The support grid comprises a plurality of thin polished longitudinal and transverse members which are interlocked and which are mounted in tension on an enclosure. The support grid provides rigid support for the transparent perforated sheet without obscuring the lamps or interfering with a vacuum blower which is mounted in the enclosure.</p> |
