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SU877646A2
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Vacuum arc extinguishing chamber with pressure checking device
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SU875502A1
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Fuse fusible element
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SU871248A1
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Vacuum arc extinguishing chamber with protecting device under the loss of vacuum
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SU868876A1
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Maximum current disconnector
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SU886090A1
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Vacuum arc chute contacts
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SU868853A1
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Automatic switch contact system
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SU868864A1
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Switching apparatus with device for preventing contact vibration
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SU851540A1
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Electric switch
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SU853691A1
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Device for monitoring normal operating mode of arc-extinguishing chamber
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SU851539A1
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Electric switch
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SU849337A2
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Fuse
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SU817795A1
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Method of filling fuse inserts with granular filler
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SU838806A1
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Vacuum switch protection device
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SU847396A1
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Maximum current disconnector
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SU826458A1
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Fuse
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SU824333A1
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Fuse fusable element
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SU824331A1
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Over current release device
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SU824332A1
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Fuse
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SU828260A1
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Device for filling fuse fusible inserts with granular filler
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SU843017A1
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Method of protecting heavy-duty circuits with aid of current-limiting switches
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