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发明名称
Couplers for camera attachments or the like
摘要
申请公布号
US2897928(A)
申请公布日期
1959.08.04
申请号
US19560565659
申请日期
1956.02.15
申请人
REMSEL INDUSTRIES, INC.
发明人
SELIG GUENTHER
分类号
G03B15/04
主分类号
G03B15/04
代理机构
代理人
主权项
地址
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