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发明名称
摘要
申请公布号
JPH0639790(Y2)
申请公布日期
1994.10.19
申请号
JP19900122676U
申请日期
1990.11.22
申请人
发明人
分类号
F16L55/00;B01J4/02;F17D5/02;G01F11/00;G01M3/04;G01M3/20;G01N21/78;G05D7/00;(IPC1-7):B01J4/02
主分类号
F16L55/00
代理机构
代理人
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地址
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