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US5400912A Closure with concealed hinge 失效
闭合隐形铰链

Closure with concealed hinge
摘要:
A closure especially adapted for use with a dispenser spout, said closure having a concealed hinge arranged to permit the lid to be opened 180.degree. away from its associated base to provide maximum access to a container to which the closure is assembled, the closure, consisting of a closure base and a lid, being capable of being molded in a single mold cavity.
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