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发明名称
摘要
申请公布号
JPH0413737(U)
申请公布日期
1992.02.04
申请号
JP19900055472U
申请日期
1990.05.28
申请人
发明人
分类号
E04F15/04;E04F15/18;(IPC1-7):E04F15/04
主分类号
E04F15/04
代理机构
代理人
主权项
地址
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