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摘要
申请公布号
JPS5737172(U)
申请公布日期
1982.02.26
申请号
JP19800114579U
申请日期
1980.08.12
申请人
发明人
分类号
F16K31/44;F16K5/02;(IPC1-7):F16K31/44
主分类号
F16K31/44
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