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发明名称
Perfectionnements aux appareils décelant des fissures dans les conducteurs électriques
摘要
申请公布号
FR728051(A)
申请公布日期
1932.06.29
申请号
FRD728051
申请日期
1931.12.09
申请人
SPERRY PRODUCTS INC.
发明人
分类号
B61K9/10
主分类号
B61K9/10
代理机构
代理人
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