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申请公布号
JPS56109461(U)
申请公布日期
1981.08.25
申请号
JP19800007502U
申请日期
1980.01.23
申请人
发明人
分类号
F16K1/34;F16K49/00;(IPC1-7):F16K1/34
主分类号
F16K1/34
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