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发明名称
摘要
申请公布号
JPS52152133(U)
申请公布日期
1977.11.18
申请号
JP19760061998U
申请日期
1976.05.14
申请人
发明人
分类号
F16K41/02;F16K41/04;(IPC1-7):F16K41/04
主分类号
F16K41/02
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代理人
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