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Hans-Dieter Pfeil
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Wuppertal, DE
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last 30 patents
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Patent Grant
Apparatus for the continuous production of foamed plastics
Patent number
5,411,389
Issue date
May 2, 1995
Bayer Aktiengesellschaft
Ingo Kellerhof
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Process and laminator for the continuous production of laminates of...
Patent number
4,804,425
Issue date
Feb 14, 1989
Bayer Aktiengesellschaft
Erwin Hoffmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL