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H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03K
PULSE TECHNIQUE
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17/00
Electronic switching or gating, i.e. not by contact-making and –breaking
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H03K17/94
characterised by the way in which the control signals are generated
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H03K17/945
Proximity switches
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H03K17/95
using a magnetic detector
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H03K17/952
using inductive coils
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H03K17/9525
controlled by an oscillatory signal
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