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发明名称
Valve
摘要
申请公布号
US2065086(A)
申请公布日期
1936.12.22
申请号
US19330672547
申请日期
1933.05.24
申请人
MAY EDWARD M
发明人
MAY EDWARD M.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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