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发明名称
摘要
申请公布号
JP2569149(Y2)
申请公布日期
1998.04.22
申请号
JP19920062625U
申请日期
1992.09.07
申请人
发明人
分类号
F16L19/03;F16L21/08;(IPC1-7):F16L21/08
主分类号
F16L19/03
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