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发明名称
摘要
申请公布号
JPH0165486(U)
申请公布日期
1989.04.26
申请号
JP19870156803U
申请日期
1987.10.15
申请人
发明人
分类号
F16L33/22;(IPC1-7):F16L33/22
主分类号
F16L33/22
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代理人
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