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发明名称
摘要
申请公布号
JPH0214877(U)
申请公布日期
1990.01.30
申请号
JP19880092711U
申请日期
1988.07.13
申请人
发明人
分类号
F16K31/163;F16K37/00;(IPC1-7):F16K31/163
主分类号
F16K31/163
代理机构
代理人
主权项
地址
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