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发明名称
摘要
申请公布号
JPS5810677(Y2)
申请公布日期
1983.02.26
申请号
JP19800070499U
申请日期
1980.05.22
申请人
发明人
分类号
F16L27/08;B61D35/00;E03D11/00;(IPC1-7):B61D35/00
主分类号
F16L27/08
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