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发明名称
Dispositif pour la commande simultanée du changement de pas de deux hélices coaxiales tournant en sens inverse.
摘要
申请公布号
CH253393(A)
申请公布日期
1948.02.29
申请号
CHD253393
申请日期
1946.08.01
申请人
HELICES RATIER S.A.
发明人
S.A. HELICES RATIER
分类号
B64C11/30
主分类号
B64C11/30
代理机构
代理人
主权项
地址
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