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发明名称
ARRANGEMENT FOR CHANGING PROPELLER-BLADE PITCH
摘要
申请公布号
SU1544639(A1)
申请公布日期
1990.02.23
申请号
SU19874348592
申请日期
1987.12.22
申请人
NIKANDROVA LIDIYA S,SU
发明人
NIKANDROVA LIDIYA S,SU
分类号
B63H3/04
主分类号
B63H3/04
代理机构
代理人
主权项
地址
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