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发明名称
摘要
申请公布号
JPH04111995(U)
申请公布日期
1992.09.29
申请号
JP19910024415U
申请日期
1991.03.18
申请人
发明人
分类号
F16L59/10;F16L21/02;F16L59/14;(IPC1-7):F16L59/10
主分类号
F16L59/10
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代理人
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