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发明名称
Apparatus for detecting flaws in rails
摘要
申请公布号
US2425857(A)
申请公布日期
1947.08.19
申请号
US19430503642
申请日期
1943.09.24
申请人
BARNES WALTER C;KEEVIL HENRY W
发明人
BARNES WALTER C.;KEEVIL HENRY W.
分类号
B61K9/10
主分类号
B61K9/10
代理机构
代理人
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地址
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