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发明名称
摘要
申请公布号
JPS54119022(U)
申请公布日期
1979.08.21
申请号
JP19780015222U
申请日期
1978.02.08
申请人
发明人
分类号
F16K37/00;(IPC1-7):F16K37/00
主分类号
F16K37/00
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代理人
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