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发明名称
PROPELLER UNIT
摘要
申请公布号
JPH04292294(A)
申请公布日期
1992.10.16
申请号
JP19910055223
申请日期
1991.03.20
申请人
HITACHI ZOSEN CORP
发明人
SOTODANI MOTOMU;HIKINO MASAMI
分类号
B63H1/20;B63H1/28
主分类号
B63H1/20
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代理人
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