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Mikael Silfvenius
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Tammisaari, FI
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Patents Grants
last 30 patents
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Patent Grant
Repairable slide shutter plate and/or bottom nozzle brick and metho...
Patent number
8,366,990
Issue date
Feb 5, 2013
Indref Oy
Erkki Helanto
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
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Patent Application
Repairable slide shutter plate and/or bottom nozzle brick and metho...
Publication number
20100181350
Publication date
Jul 22, 2010
Indref Oy
Erkki Helanto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Nozzle brick with a seal
Publication number
20100176163
Publication date
Jul 15, 2010
Indref Oy
Erkki Helanto
B22 - CASTING POWDER METALLURGY