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发明名称
摘要
申请公布号
JPS5224213(U)
申请公布日期
1977.02.21
申请号
JP19750111400U
申请日期
1975.08.12
申请人
发明人
分类号
F17C13/04;F16K17/36;F17C13/12;F17D5/00;(IPC1-7):F17C13/04
主分类号
F17C13/04
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