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发明名称
LIQUID FLOW SIGNALLING DEVICE
摘要
申请公布号
PL151732(B1)
申请公布日期
1990.10.31
申请号
PL19860262654
申请日期
1986.11.28
申请人
发明人
分类号
G01F;G01F1/38;G08B21/00;(IPC1-7):G01F1/38
主分类号
G01F
代理机构
代理人
主权项
地址
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FERRY LINK