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发明名称
摘要
申请公布号
JPH01147065(U)
申请公布日期
1989.10.11
申请号
JP19880042346U
申请日期
1988.03.29
申请人
发明人
分类号
E03D9/00;E03D5/10;(IPC1-7):E03D5/10
主分类号
E03D9/00
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