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发明名称
LOCOMOTIVE VALVE GEAR
摘要
申请公布号
CA318101(A)
申请公布日期
1931.12.15
申请号
CAD318101
申请日期
申请人
THE PILLIOD COMPANY
发明人
JAY D. PURDY
分类号
主分类号
代理机构
代理人
主权项
地址
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