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发明名称
Perfectionnements apportés aux dispositifs à hélice à pas variable, notamment pour propulseurs marins
摘要
申请公布号
FR1492094(A)
申请公布日期
1967.08.18
申请号
FR19660058516
申请日期
1966.04.21
申请人
发明人
AMIOT FELIX
分类号
B63H3/02
主分类号
B63H3/02
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