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发明名称
摘要
申请公布号
JPH0638236(Y2)
申请公布日期
1994.10.05
申请号
JP19880094743U
申请日期
1988.07.18
申请人
发明人
分类号
F16L3/00;(IPC1-7):F16L3/00
主分类号
F16L3/00
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代理人
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