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发明名称
摘要
申请公布号
JPH03120782(U)
申请公布日期
1991.12.11
申请号
JP19890125053U
申请日期
1989.10.25
申请人
发明人
分类号
E06B7/20;(IPC1-7):E06B7/20
主分类号
E06B7/20
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