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发明名称
摘要
申请公布号
JPH053470(U)
申请公布日期
1993.01.19
申请号
JP19910020412U
申请日期
1991.03.07
申请人
发明人
分类号
E04F15/04;B32B21/10;B32B25/04;E04F15/18;(IPC1-7):E04F15/18
主分类号
E04F15/04
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