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经营范围
发明名称
Vehicle garage guard #2
摘要
A parking guide having both visual and auditory indicators to show a driver when a vehicle is properly positioned in a parking space.
申请公布号
US7021237(B1)
申请公布日期
2006.04.04
申请号
US20040771301
申请日期
2004.02.05
申请人
BENJAMIN GREGORY
发明人
BENJAMIN GREGORY
分类号
E04H6/42
主分类号
E04H6/42
代理机构
代理人
主权项
地址
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