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Class Information
Number: 2/8.4
Name: Apparel > Guard or protector > For wearer's head > Heat resistant > High temperature > 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)
Description: 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.










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