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经营范围
发明名称
摘要
申请公布号
JPS5356933(U)
申请公布日期
1978.05.16
申请号
JP19760140254U
申请日期
1976.10.18
申请人
发明人
分类号
F16K21/04;F16K21/00;(IPC1-7):F16K21/00
主分类号
F16K21/04
代理机构
代理人
主权项
地址
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