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DE2060141B1
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Device for stapling perforated stacks of sheets by means of a wire helix
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GB1292065A
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Devices for clipping and looping ends of helical bindings
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GB1292064A
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Helical wire bound notebook and helical binding therefore
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US3568729A
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Devices for clipping and looping ends of helical binders
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US3526415A
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Helical wire bound notebook and helical binding therefor
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US3251385A
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Book binding machine and method
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US3134406A
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Devices for feeding helical coiled wire through a row of spaced openings in a looseleaf book
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US3133562A
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Book binding machine
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US3081656A
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Apparatus for manufacturing tubular binders for looseleaf books
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US2948198A
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Lampshades and apparatus for assembling the same
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US2961012A
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Machine for making helical binders and binding loose leaf books therewith
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US2747577A
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Binder elements for loose leaf sheets
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US2556965A
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Method and device for cutting selected circumferential portions of tubular or cylindrical objects
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GB623758A
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Binding devices for paper and like sheets
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US2629382A
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Binding device for leaves and method of making the same
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CA910561A
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Devices for clipping and looping ends of helical binders
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CA511197A
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Method and devices for cutting selected circumferential portions of tubular or cylindrical objects
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CA893798A
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Helical wire bound notebook and helical binding therefor
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CA490782A
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Binding devices for leaves and methods of making the same
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