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发明名称
Spectacle hinge
摘要
申请公布号
US2305562(A)
申请公布日期
1942.12.15
申请号
US19400332440
申请日期
1940.04.30
申请人
COLUMBIA PROTEKTOSITE CO., INCORPORATED
发明人
THOMPSON HENRY C.;STEFANO ANGELO DE
分类号
G02C5/00;G02C5/22
主分类号
G02C5/00
代理机构
代理人
主权项
地址
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