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发明名称
Perfectionnements aux soupapes actionnées électriquement
摘要
申请公布号
FR773308(A)
申请公布日期
1934.11.16
申请号
FRD773308
申请日期
1934.05.15
申请人
发明人
SATCHWELL LEONARD
分类号
F16K31/05;G05D23/275
主分类号
F16K31/05
代理机构
代理人
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