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发明名称
VAKUUMENTLASTUNGENSVENTIL FÜR SCHWIMMDÄCHER VON TANKS ZUR LAGERUNG VON FLÜSSIGKEITEN
摘要
申请公布号
DE69806238(D1)
申请公布日期
2002.08.01
申请号
DE19986006238
申请日期
1998.04.01
申请人
PETROLEO BRASILEIRO S.A. - PETROBRAS, RIO DE JANEIRO
发明人
WITTER, ALDYR;PRADEL, ADOLFO
分类号
B65D88/40;B65D90/34;(IPC1-7):B65D90/34
主分类号
B65D88/40
代理机构
代理人
主权项
地址
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