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经营范围
发明名称
Film winding device
摘要
申请公布号
US2673734(A)
申请公布日期
1954.03.30
申请号
US19510221432
申请日期
1951.04.17
申请人
SONIA REZA-BEK;DAVID KORGANIAN
发明人
REZA-BEK SONIA;KORGANIAN DAVID
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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