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发明名称
摘要
申请公布号
JPH0419156(Y2)
申请公布日期
1992.04.30
申请号
JP19870021417U
申请日期
1987.02.18
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发明人
分类号
E04H6/06;(IPC1-7):E04H6/06
主分类号
E04H6/06
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