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发明名称
摘要
申请公布号
JPS481697(U)
申请公布日期
1973.01.10
申请号
JP19710044438U
申请日期
1971.05.29
申请人
发明人
分类号
B63B35/79;(IPC1-7):A63C15/00
主分类号
B63B35/79
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代理人
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地址
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