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发明名称
摘要
申请公布号
JPH0465864(U)
申请公布日期
1992.06.09
申请号
JP19900109475U
申请日期
1990.10.19
申请人
发明人
分类号
E03D5/02;E03D13/00;(IPC1-7):E03D5/02
主分类号
E03D5/02
代理机构
代理人
主权项
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