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发明名称
Manually adjustable sound detector for accurately locating defects in high or low speed motors and machinery
摘要
申请公布号
US2633205(A)
申请公布日期
1953.03.31
申请号
US19520287657
申请日期
1952.05.13
申请人
RAYDER JOSEPH A
发明人
RAYDER JOSEPH A.
分类号
G01H3/00
主分类号
G01H3/00
代理机构
代理人
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