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发明名称
摘要
申请公布号
JPS58137170(U)
申请公布日期
1983.09.14
申请号
JP19820034811U
申请日期
1982.03.12
申请人
发明人
分类号
F16K31/06;F16K31/04;(IPC1-7):F16K31/04
主分类号
F16K31/06
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