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经营范围
发明名称
VENTED SAFETY PLASTIC FILM
摘要
申请公布号
CA595306(A)
申请公布日期
1960.03.29
申请号
CAD595306
申请日期
申请人
ERNEST H. CAMPBELL;WILLIAM L. DAVIDSON
发明人
ALAN A. HARRISON
分类号
主分类号
代理机构
代理人
主权项
地址
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