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发明名称
VALVES
摘要
申请公布号
US3454029(A)
申请公布日期
1969.07.08
申请号
USD3454029
申请日期
1965.04.02
申请人
OTIS ENG. CORP.
发明人
JOHN V. FREDD
分类号
F16K17/04;(IPC1-7):G05D11/02
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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