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发明名称
Method of determining display integrity for a variable message sign
摘要
申请公布号
AU2009208159(A1)
申请公布日期
2010.03.04
申请号
AU20090208159
申请日期
2009.08.14
申请人
DATA SIGNS PTY LTD
发明人
ARNOLD VENEMA
分类号
G09G3/14;G09G3/32
主分类号
G09G3/14
代理机构
代理人
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