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发明名称
Light-modifying article and method of producing the same
摘要
申请公布号
US2088438(A)
申请公布日期
1937.07.27
申请号
US19340728693
申请日期
1934.06.02
申请人
DEGEA AKTIENGESELLSCHAFT (AUERGESELLSCHAFT) BERLIN
发明人
RIEHL NIKOLAUS
分类号
B44F1/06
主分类号
B44F1/06
代理机构
代理人
主权项
地址
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