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发明名称
摘要
申请公布号
JPS5415300(Y2)
申请公布日期
1979.06.21
申请号
JP19740013054U
申请日期
1974.01.31
申请人
发明人
分类号
B25B23/12;B25B23/14;F16K31/60;G05G1/08;(IPC1-7):F16K31/60
主分类号
B25B23/12
代理机构
代理人
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