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发明名称
Screw propeller with flag-type blades and pitch that can be adjusted manually without dismantling the propeller
摘要
申请公布号
IT1246244(B)
申请公布日期
1994.11.17
申请号
IT19900083610
申请日期
1990.03.21
申请人
MARINE PROPELLER S.R.L. COSTRUZIONI ELICHE A PASSO VARIABILE
发明人
BERGHELLA ROCCO
分类号
B63H;(IPC1-7):B63H
主分类号
B63H
代理机构
代理人
主权项
地址
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