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发明名称
摘要
申请公布号
JPS5025297(U)
申请公布日期
1975.03.22
申请号
JP19730078563U
申请日期
1973.07.02
申请人
发明人
分类号
B63B7/06;B63B5/24;(IPC1-7):B63B7/06
主分类号
B63B7/06
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代理人
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