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Improvements in or with respect to the mechanism cover of a ring binder mechanism
Improvements in or with respect to the mechanism cover of a ring binder mechanism
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机译:环形活页夹机构的机构盖或相对于其的改进
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摘要
A plate for forming a housing member for a ring binder (10) which is provided with at least one rib (38) positioned longitudinally on the plate (40) along each side thereof, wherein said ribs (38) are provided along the substantial length of each side of the housing member plate (36).
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