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Electrotechnical equipment. Standard directions of movement for actuators which control the operation of electrical apparatus
STANDARD published on 1.7.1990
Designation standards: GOST 21991-89
Publication date standards: 1.7.1990
SKU: NS-385837
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Category: Technical standards GOST
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Latest update: 2025-07-25 (Number of items: 2 209 786)
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