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发明名称
Indicating instrument
摘要
申请公布号
US2020560(A)
申请公布日期
1935.11.12
申请号
US19280312542
申请日期
1928.10.15
申请人
THE AUTOMATIC APPLIANCE COMPANY
发明人
MAPEL LEWIS A.
分类号
G01L7/00
主分类号
G01L7/00
代理机构
代理人
主权项
地址
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