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发明名称
摘要
申请公布号
JPH0244116(U)
申请公布日期
1990.03.27
申请号
JP19880123168U
申请日期
1988.09.20
申请人
发明人
分类号
B63H23/32;F16C23/10;F16C35/02;(IPC1-7):F16C23/10
主分类号
B63H23/32
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