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发明名称
DISPOSITIF D'ETANCHEITE EXPANSIBLE
摘要
申请公布号
FR2320479(A1)
申请公布日期
1977.03.04
申请号
FR19760008732
申请日期
1976.03.25
申请人
LYNES INC
发明人
分类号
E02B17/00;(IPC1-7):F16J15/02
主分类号
E02B17/00
代理机构
代理人
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地址
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