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Herringbone struts
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Patent number 4,333,294
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Issue date Jun 8, 1982
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Catnic Components Limited
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Brian Robinson
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E04 - BUILDING
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Elements for forming frames
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Patent number 4,067,157
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Issue date Jan 10, 1978
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Catnic Components Limited
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Brian Robinson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Guttering systems
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Patent number 3,967,419
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Issue date Jul 6, 1976
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Catnic Components Ltd.
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Brian Robinson
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E04 - BUILDING
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