Keueha Kagaku Kogyo K.K.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Extrusion laminated product
- Patent number 4,444,826
- Issue date Apr 24, 1984
- Keueha Kagaku Kogyo K.K.
- Tohru Sasaki
- B32 - LAYERED PRODUCTS