RU1787141C
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Device for treatment of sewage
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RU1787140C
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Device for biological treatment of sewage
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SU1774294A1
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Device for checking dielectric coats on cylindrical metal parts for continuity
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SU1745557A1
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Apparatus for butt resistance welding of tubes from thermoplastic materials
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SU1765807A1
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Device for butt resistance welding of tubes made of thermoplastic materials
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SU1730530A1
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Device for measuring thickness of nonmagnetic coating on ferromagnetic substrate
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SU1742092A1
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Device for resistance butt welding of thermoplastic pipes
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RU1779448C
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Device for piece-by-piece discharge of round long-measure articles
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US5039946A
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Metalliferous objects detector having a pair of angularly positioned driving loops and a pair of parallel, coaxial receiving loops
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SU1760381A1
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Anchor-testing device
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SU1709255A1
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Device for detecting discontinuity in the insulation of tubes
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RU1773636C
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Device for removing inner flash at resistance butt-welding of pipes
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SU1767456A1
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Device for checking continuity of insulating coating of metal objects
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SU1659945A1
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Electric spark flaw detector
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SU1709253A1
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Method and device for testing dielectric coating of metallic objects for continuity
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SU1721556A1
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Method and device for testing continuity of an insulating coating of objects
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SU1666342A1
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Apparatus for welding pipes of thermoplastic materials
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SU1716467A1
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Metal detector
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SU1716466A1
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Metal detector
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