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GB698540A
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Improvements in means for clamping superposed elements together
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DE935279C
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Spring insert for seat cushions, mattresses or the like.
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DE914963C
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Method and device for interweaving helical springs for spring bases for mattresses, seat cushions or the like and spring bases
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DE700234C
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Spring insert with edge frame for mattresses, sofas or the like.
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ES146112A1
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Procedure and device for fastening the wire spirals of the springs in the so-called elastic suspensions with staples.
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DE677984C
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Spring band for mattress coverings, bases for armchairs or the like.
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DE689463C
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Method and device for clipping the coils of coil springs of a spring insert for mattresses, upholstered furniture or the like to its holding frame
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DE724190C
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Mutual attachment of coil spring coils of a spring insert for mattresses, sofas, seat cushions, etc.
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