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经营范围
发明名称
Portable rail flaw detector
摘要
申请公布号
US2622131(A)
申请公布日期
1952.12.16
申请号
US19450628146
申请日期
1945.11.13
申请人
TELEDETECTOR, INC.
发明人
MCKEE CHESTER W.;MCKEE RICHARD W.
分类号
B60F1/04;B61K9/10
主分类号
B60F1/04
代理机构
代理人
主权项
地址
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