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发明名称
摘要
申请公布号
JPH0242849(Y2)
申请公布日期
1990.11.15
申请号
JP19850045543U
申请日期
1985.03.28
申请人
发明人
分类号
E04H9/16;E04D13/00;(IPC1-7):E04H9/16
主分类号
E04H9/16
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