Alexandr P. Grechenko

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Minsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for making blanks of a profile varying lengthwise
- Patent number 5,001,918
- Issue date Mar 26, 1991
- Alexandr V. Stepanenko
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...