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Clothing, Fashion & Accessories
Guard or protector
For wearer's head
Mask, shield or hood for welder (epo)
With movable shutter, e.g., filter disc or actuating means therefor (epo)
> And movable polarizing filter disc (epo)
Device wherein a mask, shield or hood is provided with a round flat optical transparent plate capable of movement within the mask, shield or hood and further capable of polarizing light transmitted therethough.