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Hermann Rappold & Co. GbmH
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Duren, DE
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last 30 patents
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Patent Grant
Shut-off valve with a seal formed from an elastic strip
Patent number
4,527,773
Issue date
Jul 9, 1985
Hermann Rappold & Co. GbmH
Rudolf Muller
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...