SU1238183A1
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Current collecting device
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SU1006847A1
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Vacuum flange joint
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SU974021A1
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Pipe articulated joint
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SU847192A1
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Method and device for applying artificial flaws to pipe inner surface
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SU832439A1
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Flaw detector
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SU821929A1
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Small-liquid portion meter
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SU838232A1
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Cock
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SU872886A1
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Cock
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SU766759A1
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Self-centering chucking device
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SU752101A1
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Safety apparatus
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SU715886A1
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Quick-detaching pipeline coupling
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SU721594A1
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Safety coupling
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SU645027A1
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Loose material batchmeter
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SU613781A1
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Vibrated filter
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SU602737A1
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Detachable joint of pipe lines
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SU586284A1
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Screw gearing
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