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发明名称
摘要
申请公布号
JPS53101073(U)
申请公布日期
1978.08.15
申请号
JP19780002807U
申请日期
1978.01.17
申请人
发明人
分类号
F16L9/14;B32B15/08;F16L11/08;(IPC1-7):B32B15/08
主分类号
F16L9/14
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代理人
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