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发明名称
摘要
申请公布号
JPS5550328(U)
申请公布日期
1980.04.02
申请号
JP19780133267U
申请日期
1978.09.28
申请人
发明人
分类号
F16L37/02;F16L37/00;F16L37/08;F16L37/22;(IPC1-7):F16L37/08
主分类号
F16L37/02
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