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发明名称
摘要
申请公布号
JPH029121(Y2)
申请公布日期
1990.03.06
申请号
JP19840095944U
申请日期
1984.06.25
申请人
发明人
分类号
F16L55/04;F04B23/02;F15B1/24;(IPC1-7):F15B1/053
主分类号
F16L55/04
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代理人
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