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发明名称
UNKNOWN QUANTITY INDICATING AND RECORDING DEVICE
摘要
申请公布号
CA357700(A)
申请公布日期
1936.05.05
申请号
CAD357700
申请日期
申请人
THE LEWIS ENGINEERING COMPANY
发明人
MANFRED J. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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