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发明名称
摘要
申请公布号
JPH03119127(U)
申请公布日期
1991.12.09
申请号
JP19900027451U
申请日期
1990.03.16
申请人
发明人
分类号
E04F13/12;(IPC1-7):E04F13/12
主分类号
E04F13/12
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代理人
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地址
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