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发明名称
摘要
申请公布号
JPH0620992(U)
申请公布日期
1994.03.18
申请号
JP19920034020U
申请日期
1992.04.22
申请人
发明人
分类号
F16L59/147;(IPC1-7):F16L59/147
主分类号
F16L59/147
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