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Kotaro Kawabata
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Yamato, JP
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Patent Grant
Extrusion head for use in blow molding machine
Patent number
4,422,838
Issue date
Dec 27, 1983
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
Akira Iwawaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL