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发明名称
FILMS AND SHEETS IMPERMEABLE TO ULTRA-VIOLET RADIATIONS
摘要
申请公布号
CA428044(A)
申请公布日期
1945.06.05
申请号
CAD428044
申请日期
申请人
CAMILLE DREYFUS
发明人
WILLIAM HORBACK
分类号
主分类号
代理机构
代理人
主权项
地址
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