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发明名称
Indicateur de profondeur d'immersion
摘要
申请公布号
FR1158520(A)
申请公布日期
1958.06.16
申请号
FRD1158520
申请日期
1956.08.27
申请人
发明人
DRAGER OTTO HEINRICH
分类号
G01L7/04;G01L19/10
主分类号
G01L7/04
代理机构
代理人
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地址
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