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发明名称
摘要
申请公布号
JPS5246815(B2)
申请公布日期
1977.11.28
申请号
JP19730120131
申请日期
1973.10.25
申请人
发明人
分类号
G01F11/22;F16K11/00;F16K11/072;F16K11/074;G01N35/10
主分类号
G01F11/22
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代理人
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