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Sill and frame for windows or doors
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Patent number 4,495,726
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Issue date Jan 29, 1985
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Credence Finance Association
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Wictor C. O. Lindstrom
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Device for frame profiles
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Patent number 4,423,575
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Issue date Jan 3, 1984
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Lars Lagergren
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS