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经营范围
发明名称
Security Devices
摘要
Multilayered security devices comprising a patterned substrate over which a graphene-based coating has been applied.
申请公布号
US2014145426(A1)
申请公布日期
2014.05.29
申请号
US201113885673
申请日期
2011.11.15
申请人
LETTOW JOHN S.;SCHEFFER DAN;VORBECK MATERIALS CORP.
发明人
LETTOW JOHN S.;SCHEFFER DAN
分类号
B42D15/00
主分类号
B42D15/00
代理机构
代理人
主权项
地址
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