Tatsushi Kachi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-permeable ceramic material
- Patent number 4,954,460
- Issue date Sep 4, 1990
- Mino Yogyo Co., Ltd.
- Fumikazu Tanemura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES