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发明名称
Transducing devices
摘要
申请公布号
US2909739(A)
申请公布日期
1959.10.20
申请号
US19570671923
申请日期
1957.07.15
申请人
CHERNIAK GEORGE S
发明人
CHERNIAK GEORGE S.
分类号
B06B1/02;G01D5/20;H02K24/00
主分类号
B06B1/02
代理机构
代理人
主权项
地址
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