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发明名称
Indicator means
摘要
申请公布号
US2243074(A)
申请公布日期
1941.05.27
申请号
US19380199963
申请日期
1938.04.04
申请人
ANDERSON ARNOLD N
发明人
ANDERSON ARNOLD N.
分类号
F01M1/20;F16N29/00;G01L3/14
主分类号
F01M1/20
代理机构
代理人
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