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发明名称
AUTOMATIC UNCLOGGING DEVICE FOR FLUID LOCOMOTIVE SANDING SYSTEMS
摘要
申请公布号
US3455588(A)
申请公布日期
1969.07.15
申请号
USD3455588
申请日期
1967.04.06
申请人
GRAHAM WHITE SALES CORP.
发明人
VIRGIL L. FRANTZ
分类号
B61C15/10;(IPC1-7):B60B39/08
主分类号
B61C15/10
代理机构
代理人
主权项
地址
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