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发明名称
SPEED INDICATORS
摘要
申请公布号
CA470489(A)
申请公布日期
1951.01.02
申请号
CAD470489
申请日期
申请人
DOMINION OXYGEN COMPANY
发明人
EDWARD RATHJE, JR.
分类号
主分类号
代理机构
代理人
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地址
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