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发明名称
摘要
申请公布号
JPH0198281(U)
申请公布日期
1989.06.30
申请号
JP19870190649U
申请日期
1987.12.17
申请人
发明人
分类号
E03C1/18;E03C1/26;E03C1/264;(IPC1-7):E03C1/264
主分类号
E03C1/18
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