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US5189270A Contact structure for vacuum circuit breaker 失效
真空断路器的接触结构

Contact structure for vacuum circuit breaker
摘要:
A contact structure for a vacuum circuit breaker has an electrically insulating vacuum vessel, fixed and movable contact units sealed in the vacuum vessel and shield members surrounding the fixed and movable contact units in the vacuum vessel. Particles of a metal are applied to at least a part of the inner surface of the vacuum vessel.
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