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发明名称
Flaw detector for cables
摘要
申请公布号
US1907864(A)
申请公布日期
1933.05.09
申请号
US19300502159
申请日期
1930.12.13
申请人
SPERRY PRODUCTS, INC.
发明人
PERRY WALTER M.
分类号
G01N27/83
主分类号
G01N27/83
代理机构
代理人
主权项
地址
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