Tamotsu Akasaka

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Kadoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing hardened inorganic products
- Patent number 4,673,543
- Issue date Jun 16, 1987
- Matsushita Electric Works, Ltd.
- Tamotsu Akasaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES