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经营范围
发明名称
Metal film or lamina for use in cinematography
摘要
申请公布号
US1854864(A)
申请公布日期
1932.04.19
申请号
US19300471143
申请日期
1930.07.28
申请人
REINHOLD KUPFER
发明人
SEMENITZ CHRISTIAN
分类号
G03C1/77
主分类号
G03C1/77
代理机构
代理人
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地址
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