发明授权
US5009537A Booklet binding system 失效
小册子装订系统

Booklet binding system
摘要:
This is a booklet binding system which includes an elongated closure unit specifically constructed and arranged to be removably inserted between the two rows of opposed spaced apart loops of a wire loop binding unit, wherein the closure unit defines a pair of spaced apart loop receiving grooves specifically oriented and arranged to receive the two rows of loops to interlock therewith and provide the desired closure therebetween.
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