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发明名称
摘要
申请公布号
JPS578988(U)
申请公布日期
1982.01.18
申请号
JP19800084490U
申请日期
1980.06.17
申请人
发明人
分类号
B32B5/18;B32B27/06;F16L9/12;F16L11/04;F16L59/14;F24F13/02;(IPC1-7):F16L59/14
主分类号
B32B5/18
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代理人
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