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发明名称
摘要
申请公布号
JPH0452683(U)
申请公布日期
1992.05.06
申请号
JP19900095593U
申请日期
1990.09.13
申请人
发明人
分类号
F16L3/08;(IPC1-7):F16L3/08
主分类号
F16L3/08
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代理人
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地址
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