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Wolfgang Lehmann
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Kuppenheim, DE
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last 30 patents
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Patent Grant
Screen surfacing with exchangeable screen elements
Patent number
4,670,136
Issue date
Jun 2, 1987
Isenmann, Drahterzeugnisse GmbH
Gerhard Schmidt
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Patent Grant
Flat sieve element
Patent number
4,473,466
Issue date
Sep 25, 1984
Isenmann Drahterzeugnisse GmbH
Gerhard Schmidt
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING