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经营范围
发明名称
Camera focusing mechanism
摘要
申请公布号
US3027820(A)
申请公布日期
1962.04.03
申请号
US19580732982
申请日期
1958.05.05
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
CRABTREE LLOYD O.
分类号
G03B3/00
主分类号
G03B3/00
代理机构
代理人
主权项
地址
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