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经营范围
发明名称
Flow indicator
摘要
申请公布号
US3357244(A)
申请公布日期
1967.12.12
申请号
US19640410581
申请日期
1964.11.12
申请人
ENGLISH MARCIA K
发明人
ENGLISH MARCIA K.
分类号
G01F1/26
主分类号
G01F1/26
代理机构
代理人
主权项
地址
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