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发明名称
MEANS FOR SECURING A SPECTACLE FRAME ON A WORK- OR CLAMPING-TABLE
摘要
申请公布号
GB1286285(A)
申请公布日期
1972.08.23
申请号
GB19690051331
申请日期
1969.10.20
申请人
WERNICKE & CO. KG
发明人
分类号
G02C13/00
主分类号
G02C13/00
代理机构
代理人
主权项
地址
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