Nikolai Konstantinovich Erokhov

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Nikopol, SU

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Patents Grantslast 30 patents

Information Patent Grant
Draw bench for producing cylindrical tubular items by drawing
- Patent number 4,079,616
- Issue date Mar 21, 1978
- Viktor Afanasievich Zazimko
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mill for plugging tubes and taking them off plug
- Patent number 3,930,394
- Issue date Jan 6, 1976
- Pavel Ivanovich Orro
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...