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发明名称
TRANSDUCING DEVICES
摘要
申请公布号
US3447117(A)
申请公布日期
1969.05.27
申请号
USD3447117
申请日期
1966.04.29
申请人
ETHER ENG. LTD.
发明人
FREDERICK E. DUFFIELD
分类号
G01P15/12;(IPC1-7):G01B7/16
主分类号
G01P15/12
代理机构
代理人
主权项
地址
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