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Screw element
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Patent number 11,274,691
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Issue date Mar 15, 2022
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SPAX International GmbH & Co. KG
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Frank Langewiesche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Plug screw
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Patent number 10,954,987
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Issue date Mar 23, 2021
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SPAX International GmbH & Co. KG
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Frank Langewiesche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Schraubelement—screw element
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Patent number 9,494,179
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Issue date Nov 15, 2016
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SPAX International GmbH & Co. KG
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Frank Langewiesche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Self-boring and self-tapping screw
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Patent number 7,677,854
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Issue date Mar 16, 2010
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SPAX International GmbH & Co. KG
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Frank Langewiesche
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...