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发明名称
Dispositif de contrôle pour les conduits d'huile sous pression
摘要
申请公布号
FR877920(A)
申请公布日期
1943.01.06
申请号
FRD877920
申请日期
1941.12.19
申请人
发明人
LENNARTZ WALTER;BLANK ERICH
分类号
F16K17/28
主分类号
F16K17/28
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代理人
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