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发明名称
摘要
申请公布号
JPS4711093(U)
申请公布日期
1972.10.09
申请号
JP19710014880U
申请日期
1971.03.08
申请人
发明人
分类号
B63B35/32;(IPC1-7):B63B35/32
主分类号
B63B35/32
代理机构
代理人
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地址
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