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back up protection relay; protection device; protection relay; protective relay | |||
shielding device Barriers devised for keeping away from people harmful substances; shielding device | |||
guard; machinery guarding | |||
safety device; safety guard | |||
protective device of a capacitor voltage transformer | |||
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suojalaite: 2 phrases in 2 subjects |
Astronautics | 1 |
Transport | 1 |