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发明名称
摘要
申请公布号
JPS59177883(U)
申请公布日期
1984.11.28
申请号
JP19830072213U
申请日期
1983.05.14
申请人
发明人
分类号
F16L13/00;(IPC1-7):F16L13/00
主分类号
F16L13/00
代理机构
代理人
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地址
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