Junji Sone

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scroll member for use in a positive displacement device, and a meth...
- Patent number 4,875,839
- Issue date Oct 24, 1989
- Kabushiki Kaisha Toshiba
- Hirotsugu Sakata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL