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发明名称
摘要
申请公布号
JPS5443811(U)
申请公布日期
1979.03.26
申请号
JP19770116416U
申请日期
1977.09.01
申请人
发明人
分类号
E02F7/10;E02F3/88;F16L1/12;H02G1/10;(IPC1-7):F16L1/04
主分类号
E02F7/10
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