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经营范围
发明名称
Shaftless type butterfly valve
摘要
申请公布号
US2742051(A)
申请公布日期
1956.04.17
申请号
US19520277148
申请日期
1952.03.18
申请人
EATON MANUFACTURING COMPANY
发明人
CHANDA ROBERT F.;GAMUNDI REYNOLD F.
分类号
F16K1/22;G05D23/02
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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