发明公开
EP0525238A1 Exchangeable lens goggle 失效
Brille mit auswechselbaren Linsen。

Exchangeable lens goggle
摘要:
A lens exchangeable goggle having adjustable distance and/or fixing angle of lens units which includes as components a lens unit (10) having a tubular portion, (12) a opening (21) formed with a wider width than the lens unit in a mask frame 20 and a holding mechanism (31),(32),(33) for fixing detachably the lens unit.
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