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发明名称
摘要
申请公布号
JPH02136081(U)
申请公布日期
1990.11.13
申请号
JP19890045127U
申请日期
1989.04.18
申请人
发明人
分类号
E04F15/02;D03D15/02;(IPC1-7):D03D15/02
主分类号
E04F15/02
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代理人
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