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Paul Popper
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Newcastle, GB
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last 30 patents
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Patent Grant
Process for sintering silicon nitride compacts
Patent number
4,354,990
Issue date
Oct 19, 1982
Fiat Societa per Azioni
Pier C. Martinengo
B22 - CASTING POWDER METALLURGY
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Patent Grant
Process for sintering reaction bonded silicon nitride
Patent number
4,351,787
Issue date
Sep 28, 1982
Fiat Societa per Azioni
PierCarlo Martinengo
B22 - CASTING POWDER METALLURGY