Kazunori Kouketsu

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tapping screw
- Patent number 6,672,813
- Issue date Jan 6, 2004
- Aoyama Seisakusho Co., Ltd.
- Hirohisa Kajita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...