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发明名称
COURSE-INDICATING APPARATUS FOR VEHICLES
摘要
申请公布号
CA415385(A)
申请公布日期
1943.09.28
申请号
CAD415385
申请日期
申请人
JOHN GORDON HARGRAVE;DENIS CEDRIC WILLIAMS
发明人
JOHN GORDON HARGRAVE;DENIS CEDRIC WILLIAMS
分类号
主分类号
代理机构
代理人
主权项
地址
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