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发明名称
摘要
申请公布号
JPS521084(Y2)
申请公布日期
1977.01.12
申请号
JP19720018387U
申请日期
1972.02.16
申请人
发明人
分类号
F16K17/36;(IPC1-7):F16K17/36
主分类号
F16K17/36
代理机构
代理人
主权项
地址
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