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发明名称
Compressional wave generating apparatus
摘要
申请公布号
US2891176(A)
申请公布日期
1959.06.16
申请号
US19550521764
申请日期
1955.07.13
申请人
BRANSON INSTRUMENTS, INC.
发明人
BRANSON NORMAN G.
分类号
B06B1/02
主分类号
B06B1/02
代理机构
代理人
主权项
地址
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