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发明名称
Compression-wave delay device
摘要
申请公布号
US2446835(A)
申请公布日期
1948.08.10
申请号
US19460678172
申请日期
1946.06.21
申请人
UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF WAR
发明人
KEARY THOMAS J.
分类号
H03H9/38
主分类号
H03H9/38
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代理人
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