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Device for protection from the sun
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Patent number 4,993,469
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Issue date Feb 19, 1991
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Siemens Aktiengesellschaft
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Julius Moench
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Composite window
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Patent number 4,754,592
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Issue date Jul 5, 1988
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Siemens Aktiengesellschaft
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Julius Moench
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Device for guiding daylight
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Patent number 4,654,243
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Issue date Mar 31, 1987
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Siemens Aktiengesellschaft
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Julius Moench
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS