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发明名称
摘要
申请公布号
JPH0230592(U)
申请公布日期
1990.02.27
申请号
JP19880109708U
申请日期
1988.08.22
申请人
发明人
分类号
F16L5/00;(IPC1-7):F16L5/00
主分类号
F16L5/00
代理机构
代理人
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地址
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