Noboru Murata

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane foam sealing material and process for producing the same
- Patent number 4,264,743
- Issue date Apr 28, 1981
- NHK Spring Co., Ltd.
- Takao Maruyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...