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发明名称
DIRECTION INDICATOR
摘要
申请公布号
CA375115(A)
申请公布日期
1938.07.12
申请号
CAD375115
申请日期
申请人
THOMAS HENRY RICHARDS
发明人
THOMAS HENRY RICHARDS
分类号
主分类号
代理机构
代理人
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地址
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