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发明名称
Compressional wave translating device
摘要
申请公布号
US2466112(A)
申请公布日期
1949.04.05
申请号
US19420470808
申请日期
1942.12.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KELLER ARTHUR C.
分类号
B06B1/06
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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