Kaj Ditlev Frederik Petersen

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Valby, DK

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Patents Grantslast 30 patents

Information Patent Grant
Equipment for cleaning solvents
- Patent number 4,022,669
- Issue date May 10, 1977
- Drostholm; Frede Hilmar
- Frede Hilmar Drostholm
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL