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发明名称
Improvements in or relating to vehicle-presence-detecting systems
摘要
申请公布号
GB1039521(A)
申请公布日期
1966.08.17
申请号
GB19630005765
申请日期
1963.02.12
申请人
GENERAL PRECISION, INC.
发明人
分类号
B61L13/04;G01V3/10;G08G1/042
主分类号
B61L13/04
代理机构
代理人
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