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发明名称
Recording instrument
摘要
申请公布号
US2192319(A)
申请公布日期
1940.03.05
申请号
US19370177478
申请日期
1937.12.01
申请人
MATHESON WILLIAM K;HOMEYER ARTHUR C
发明人
MATHESON WILLIAM K.;HOMEYER ARTHUR C.
分类号
G01D15/28
主分类号
G01D15/28
代理机构
代理人
主权项
地址
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