Yasuhiko Okamoto

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Sennan, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for adhering polyethylene to steel substrates
- Patent number 4,172,912
- Issue date Oct 30, 1979
- Sumitomo Metal Industries Limited
- Kohji Noji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...