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Lockable coupling device
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Patent number 10,767,394
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Issue date Sep 8, 2020
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Solarlux GmbH
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Björn Nußbaum
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Folding device with adjusting strip
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Patent number 10,683,688
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Issue date Jun 16, 2020
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Solarlux GmbH
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Björn Nußbaum
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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