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US08272585B2 Shredder with reduced hazard potential 失效
破碎机具有降低的潜在危险

Shredder with reduced hazard potential
摘要:
A shredder having a safety feature(s) that reduces potential safety hazards. The shredder may include a timer mechanism adapted to automatically prevent the shredder blades from being activated if the selectable control has been in the activated state for a predetermined amount of time without any material being detected for shredding.
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