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发明名称
摘要
申请公布号
JPS447497(Y1)
申请公布日期
1969.03.20
申请号
JP19640095749U
申请日期
1964.12.11
申请人
发明人
分类号
F16K5/00;F16K27/12;F16K31/44;(IPC1-7):F16K5/00
主分类号
F16K5/00
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代理人
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