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发明名称
Механизм управления шагом соосных воздушных винтов
摘要
申请公布号
SU83970(A1)
申请公布日期
1949.11.30
申请号
SU19480374758
申请日期
1948.03.15
申请人
KORETSKIJ V.T.
发明人
KORETSKIJ V.T.
分类号
B64C11/48;B64C11/06
主分类号
B64C11/48
代理机构
代理人
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地址
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