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经营范围
发明名称
ROTARY VALVES
摘要
申请公布号
GB1505731(A)
申请公布日期
1978.03.30
申请号
GB19750001678
申请日期
1975.01.15
申请人
WESTINGHOUSE BRAKE & SIGNAL CO LTD
发明人
分类号
B65G53/46;(IPC1-7):B65G53/46
主分类号
B65G53/46
代理机构
代理人
主权项
地址
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