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发明名称
Photographic studio set
摘要
申请公布号
US1799866(A)
申请公布日期
1931.04.07
申请号
US19300442951
申请日期
1930.04.09
申请人
THE FOLMER GRAFLEX CORPORATION
发明人
ROTH CHARLES H.
分类号
G03B15/02
主分类号
G03B15/02
代理机构
代理人
主权项
地址
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