Hermann Rapold & Co. GmbH

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Birkesdorf, DT

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus for air blast preheaters of blast furnaces
- Patent number 3,994,315
- Issue date Nov 30, 1976
- Hermann Rapold & Co. GmbH
- Rudolf Muller
- C21 - METALLURGY OF IRON