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发明名称
摘要
申请公布号
JPH0218985(U)
申请公布日期
1990.02.08
申请号
JP19880097114U
申请日期
1988.07.22
申请人
发明人
分类号
F16K49/00;(IPC1-7):F16K49/00
主分类号
F16K49/00
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代理人
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地址
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