Norman Robinson

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Felixstowe, EN

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Patents Grantslast 30 patents

Information Patent Grant
Process for reducing formation of gypsum scale durng the washing of...
- Patent number 4,049,774
- Issue date Sep 20, 1977
- Fisons Limited
- Douglas Charles Harper
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of preventing gypsum scale formation in phosphoric acid plan...
- Patent number 3,972,981
- Issue date Aug 3, 1976
- Fisons Limited
- Douglas Charles Harper
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...