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发明名称
Lens adapter
摘要
申请公布号
US2753752(A)
申请公布日期
1956.07.10
申请号
US19530400841
申请日期
1953.12.29
申请人
VEVERKA EDWARD J
发明人
VEVERKA EDWARD J.
分类号
G03B17/12
主分类号
G03B17/12
代理机构
代理人
主权项
地址
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