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发明名称
Camera tripod head
摘要
申请公布号
US2543352(A)
申请公布日期
1951.02.27
申请号
US19480003323
申请日期
1948.01.20
申请人
BROWN CHARLES E
发明人
BROWN CHARLES E.
分类号
F16M11/12
主分类号
F16M11/12
代理机构
代理人
主权项
地址
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