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发明名称
Apparatus for measuring the frequency of acoustical energy
摘要
申请公布号
US3280937(A)
申请公布日期
1966.10.25
申请号
US19640349520
申请日期
1964.02.06
申请人
FABER JR LAWRENCE P;KIRKWOOD KEITH S
发明人
JR. LAWRENCE P. FABER,;KIRKWOOD KEITH S.
分类号
G01H3/06
主分类号
G01H3/06
代理机构
代理人
主权项
地址
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