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发明名称
Dispositif d'attache des pales d'une hélice à pas variable en vol.
摘要
申请公布号
CH178736(A)
申请公布日期
1935.07.31
申请号
CHD178736
申请日期
1934.09.05
申请人
SOCIETA ANONIMA ALFA ROMEO
发明人
ROMEO SOCIETA ANONIMA ALFA
分类号
主分类号
代理机构
代理人
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