GOST 28711-1990
Tungsten filament lamps for domestic and similar general lighting purposes. Performance requirements
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GOST 28711-1990
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GOST 28711-1990
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GOSTR
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GOST 28711-1990
GOST 28711-1990 history
1970
GOST 28711-1990
Tungsten filament lamps for domestic and similar general lighting purposes. Performance requirements
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