Front lens for high intensity strobe flash lamp
作者： Thomas R. Sikora , Robert Nagel
DOI:
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lens.org 参考文章(3)
A Blaylock, Emergency warning light apparatus ,(1970)
Robert I. Nagel, Strobe flash lamp with focussed front beam and collimated lateral beams ,(1988)
Harold R. Stine, Interlocking lens structure for a signal lamp ,(1984)