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Nicolaas H. M. Beentjes
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Uitgeest, NL
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last 30 patents
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Patent Grant
Apparatus for supporting and guiding a sub-lance
Patent number
4,441,701
Issue date
Apr 10, 1984
Estel Hoogovens BV
Nicolaas H. Beentjes
C21 - METALLURGY OF IRON
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Patent Grant
Sublance for measuring and/or sampling in a metallurgical furnace
Patent number
4,438,653
Issue date
Mar 27, 1984
Estel Hoogovens BV
Nicolaas H. Beentjes
C21 - METALLURGY OF IRON
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Patent Grant
Pressure measurement in a hood above a converter for manufacturing...
Patent number
4,214,735
Issue date
Jul 29, 1980
Hoogovens Ijmuiden, B.V.
Nicolaas H. M. Beentjes
C21 - METALLURGY OF IRON