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发明名称
摘要
申请公布号
JPH0451527(U)
申请公布日期
1992.04.30
申请号
JP19900093630U
申请日期
1990.09.05
申请人
发明人
分类号
E04F13/08;E04F13/14;E04F13/21;(IPC1-7):E04F13/08
主分类号
E04F13/08
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