Hiroshi Harada

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Kanagawa,, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for injecting a gas into molten resin in a cavity of an i...
- Patent number 5,056,997
- Issue date Oct 15, 1991
- Mitsubishi Gas Chemical Company, Incorporated
- Hiromi Hayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL