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Torkel Johansson
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Bromma, SE
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last 30 patents
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Patent Grant
Press plunger having separable press ring
Patent number
4,989,394
Issue date
Feb 5, 1991
Akerlund & Rausing Licens Aktiebolag
Gunnar Berg
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL