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发明名称
Mécanisme étanche pour le transport de liquides, masses plastiques et produits similaires
摘要
申请公布号
FR1050604(A)
申请公布日期
1954.01.08
申请号
FRD1050604
申请日期
1952.02.07
申请人
发明人
HACK EUGEN
分类号
F04C2/16
主分类号
F04C2/16
代理机构
代理人
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地址
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