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经营范围
发明名称
VALVE ROTATOR
摘要
<p>An improved garter spring actuated valve rotator device wherein annular spring damping means are included internally of the coils of the garter spring.</p>
申请公布号
GB1547335(A)
申请公布日期
1979.06.13
申请号
GB19770018516
申请日期
1977.05.03
申请人
TRW INC
发明人
分类号
F01L1/32;(IPC1-7):16K29/00
主分类号
F01L1/32
代理机构
代理人
主权项
地址
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