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发明名称
摘要
申请公布号
JPS58137179(U)
申请公布日期
1983.09.14
申请号
JP19820034667U
申请日期
1982.03.13
申请人
发明人
分类号
F16L3/205;F16L3/20;F16L3/21;(IPC1-7):F16L3/20
主分类号
F16L3/205
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代理人
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