Roland Kotwica

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Pont Ste Maxence, FR

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Patents Grantslast 30 patents

Information Patent Grant
Distribution device for multitubular exchangers
- Patent number 4,469,169
- Issue date Sep 4, 1984
- Societe Chimique des Charbonnages - CdF Chimie
- Roland Kotwica
- F28 - HEAT EXCHANGE IN GENERAL