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发明名称
Magnetizing means for rail flaw detector systems
摘要
申请公布号
US2671197(A)
申请公布日期
1954.03.02
申请号
US19500183038
申请日期
1950.09.02
申请人
BARNES WALTER C;WILLIAM BRAZITIS
发明人
BARNES WALTER C.;BRAZITIS WILLIAM
分类号
B61K9/10
主分类号
B61K9/10
代理机构
代理人
主权项
地址
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