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发明名称
摘要
申请公布号
JPH02132730(U)
申请公布日期
1990.11.05
申请号
JP19890040962U
申请日期
1989.04.10
申请人
发明人
分类号
E02B3/26;E06C9/02;(IPC1-7):E02B3/26
主分类号
E02B3/26
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代理人
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