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发明名称
Perfectionnements aux dispositifs de vannes de surpression commandées par vanne pilote
摘要
申请公布号
FR1220499(A)
申请公布日期
1960.05.25
申请号
FR19590039302
申请日期
1959.04.10
申请人
发明人
GAULDIE KENNETH
分类号
F16K31/363
主分类号
F16K31/363
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代理人
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