Zentralinstitut fur Schweisstechnik der Deutschen Demokratischen Republik

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Flame cutting by means of an oxygen beam
- Patent number 3,954,513
- Issue date May 4, 1976
- Zentralinstitut fur Schweisstechnik der Deutschen Demokratischen Republik
- Ivan Boschnakow
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

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