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发明名称
ADJUSTABLE-PITCH SCREW PROPELLER WITH EMERGENCY READJUSTING DEVICE
摘要
申请公布号
PL137668(B1)
申请公布日期
1986.07.31
申请号
PL19820237026
申请日期
1982.06.18
申请人
发明人
分类号
B63H;B63H3/08;(IPC1-7):B63H3/08
主分类号
B63H
代理机构
代理人
主权项
地址
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