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发明名称
摘要
申请公布号
JPS5247234(B2)
申请公布日期
1977.12.01
申请号
JP19730041957
申请日期
1973.04.13
申请人
发明人
分类号
B63B9/06;B63B25/16
主分类号
B63B9/06
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代理人
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地址
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