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发明名称
摘要
申请公布号
JPS5554669(U)
申请公布日期
1980.04.12
申请号
JP19780136437U
申请日期
1978.10.04
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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