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发明名称
Eyeglass retainer
摘要
An eyeglass retainer comprising a tubular elastic knit cord made adjustable by sliding the temple pieces of eyeglasses into the tubular ends of the cord. The cord is a unitary piece.
申请公布号
US4541696(A)
申请公布日期
1985.09.17
申请号
US19830477349
申请日期
1983.03.21
申请人
WINGER, IRWIN;FRIEDOPFER, WALTER
发明人
WINGER, IRWIN;FRIEDOPFER, WALTER
分类号
G02C3/00;(IPC1-7):G03B21/04
主分类号
G02C3/00
代理机构
代理人
主权项
地址
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