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发明名称
Perfectionnements aux vannes
摘要
申请公布号
FR1177223(A)
申请公布日期
1959.04.22
申请号
FRD1177223
申请日期
1957.06.07
申请人
发明人
TAILLEFERRE HENRI
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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