Russian standards
Reduce type pipe connections with a ball nipple. Design and basic dimensions
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Screwed pipe connections with a ball nipple. Design and basic dimensions
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Through type Y pipe connections with a ball nipple. Design and basic dimensions
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Through type tee connections with a ball nipple. Design and basic dimensions
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Through type cross pipe connections with a ball nipple. Design and basic dimensions
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Blind pipe connections with a ball nipple. Design and basic dimensions
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