GOST PDF
Copper. Methods of determination of resistance to hydrogen embrittlement
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Bulkhead pipe connections with a cut ring. Design and basic dimensions
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Threaded tube connections. Union passage elbows with the end for connection sleeve. Construction
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Threaded tube connections. Union passage tees with the end for connection sleeve
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Key-slotted plug-gauges with diameter over 56 to 125 mm. Design and dimensions
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