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Vsesojuzny Nauchno-Issledovatelsky Institut po Stroitelstvu Magistralnykh Truboprovodov
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Moscow, SU
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Patents Grants
last 30 patents
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Patent Grant
Continuous flash butt-welding machine
Patent number
4,159,408
Issue date
Jun 26, 1979
Vsesojuzny Nauchno-Issledovatelsky Institut po Stroitelstvu Magistralnykh Tru...
Viktor S. Lifshits
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR