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经营范围
发明名称
Garniture d'étanchéité pour gazomètre sans joint hydraulique
摘要
申请公布号
FR717171(A)
申请公布日期
1932.01.05
申请号
FRD717171
申请日期
1931.05.16
申请人
发明人
HEMPEL HUBERT
分类号
F17B1/04
主分类号
F17B1/04
代理机构
代理人
主权项
地址
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