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发明名称
Camera dolly
摘要
申请公布号
US2461058(A)
申请公布日期
1949.02.08
申请号
US19470731880
申请日期
1947.03.01
申请人
THE HOUSTON CORPORATION
发明人
HOUSTON HERBERT W.
分类号
B66F11/04
主分类号
B66F11/04
代理机构
代理人
主权项
地址
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