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发明名称
ROAD MARKING DEVICE
摘要
申请公布号
CA395781(A)
申请公布日期
1941.04.15
申请号
CAD395781
申请日期
申请人
GEORGE DOUGLAS WORTHINGTON;ERNEST LEWIS GETHIN
发明人
ERNEST LEWIS GETHIN;GEORGE DOUGLAS WORTHINGTON
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主分类号
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