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auto-darkening welding helmet
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zhejiang must industry co.,ltd.
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auto-darkening welding helmet
| Subject: | auto-darkening welding helmet |
| Update Date: | 2007-07-20 00:00:00.0 |
| Valid Period: |
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Description
Product Name: auto-darkening welding helmet
Model No.:SPARK A
Place of Origin:Beijing
a).Cartridage Size:110 ?á 90 ?á 13mm
b).Viewing Window:90 ?á40mm
c).Switch Time: ?ü1ms
d).Shade:4/9-13 (Outside adjuster)
e).Ultraviolet Protection:<0.0001% (210-365nm)
F).Infared Protection:<0.0001% (780-2000nm)
g).Power:Solar Cell with 2 AAA Battery ( Auto -off)
h).Operating Temperature:-5 ??C to +55 ??C
i).Weight:485g
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