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TOHRU HAYASHI
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IBARAKI, JP
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last 30 patents
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Patent Grant
Fine ferrite-based structure steel production method
Patent number
6,572,716
Issue date
Jun 3, 2003
National Research Institute for Metals
Tohru Hayashi
C21 - METALLURGY OF IRON
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last 30 patents
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Patent Application
FINE FERRITE-BASED STRUCTURE STEEL AND PRODUCTION METHOD THEREOF
Publication number
20020014285
Publication date
Feb 7, 2002
TOHRU HAYASHI
C21 - METALLURGY OF IRON