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发明名称
摘要
申请公布号
JPS5728982(Y2)
申请公布日期
1982.06.24
申请号
JP19770084344U
申请日期
1977.06.28
申请人
发明人
分类号
E04F13/04;(IPC1-7):E04F13/04
主分类号
E04F13/04
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代理人
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