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GB191310371A
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Improvements in and relating to Letter Files, Loose-leaf Binders and the like.
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GB191310372A
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Improvements in and relating to Letter Files, Loose-leaf Binders and the like.
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GB191007784A
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Improvements in Strengthening punching Machines for Letters and the like.
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GB191000224A
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Improved Fastening for Paper Coils.
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GB190925522A
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Improvements in Locking Plates for Letter Filing Cases and the like.
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GB190920553A
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Improvements in Files for Letters, Invoices and the like.
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