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发明名称
摘要
申请公布号
JPH0368189(U)
申请公布日期
1991.07.04
申请号
JP19890129676U
申请日期
1989.11.08
申请人
发明人
分类号
B63B3/00;B63H20/00;B63H20/32;(IPC1-7):B63B3/00;B63H5/12
主分类号
B63B3/00
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