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发明名称
摘要
申请公布号
JPS587992(U)
申请公布日期
1983.01.19
申请号
JP19810102677U
申请日期
1981.07.09
申请人
发明人
分类号
F16L55/12;F16L41/02;(IPC1-7):F16L55/12
主分类号
F16L55/12
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