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发明名称
SONIC WAVE ENERGY APPARATUS AND SYSTEMS
摘要
申请公布号
US3493921(A)
申请公布日期
1970.02.03
申请号
USD3493921
申请日期
1968.02.05
申请人
GEARHART OWEN IND. INC.
发明人
EARL JOHNS
分类号
G01V1/52;G10K11/02;(IPC1-7):G01V1/16
主分类号
G01V1/52
代理机构
代理人
主权项
地址
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