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发明名称
摘要
申请公布号
JP3046816(B1)
申请公布日期
2000.05.29
申请号
JP19990072331
申请日期
1999.03.17
申请人
发明人
分类号
B63B21/44;(IPC1-7):B63B21/44
主分类号
B63B21/44
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