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发明名称
摘要
申请公布号
JPS5812993(Y2)
申请公布日期
1983.03.12
申请号
JP19780099146U
申请日期
1978.07.19
申请人
发明人
分类号
E04G1/15;E04G1/36;E04G3/28;(IPC1-7):E04G3/10
主分类号
E04G1/15
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代理人
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