Vladimir P. Vasilyev

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St. Petersburg, RU

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Patents Grantslast 30 patents

Information Patent Grant
Oscillating valve for powders
- Patent number 5,947,169
- Issue date Sep 7, 1999
- Xerox Corporation
- Paul M. Wegman
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL