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发明名称
Perfectionnements aux vannes étanches
摘要
申请公布号
FR1208224(A)
申请公布日期
1960.02.22
申请号
FRD1208224
申请日期
1958.03.12
申请人
发明人
PEYRON ANTOINE-FRANCOIS-REG
分类号
F16K1/12;G21D1/02
主分类号
F16K1/12
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