Johannes J. Bockemuehl-Simon

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Bergneustadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Film developing spool
- Patent number 4,448,365
- Issue date May 15, 1984
- Jobo-Labortechnik GmbH & Co. K.G.
- Helmut Petsching
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY