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经营范围
发明名称
Hydraulic operator
摘要
申请公布号
US1901620(A)
申请公布日期
1933.03.14
申请号
US19300485474
申请日期
1930.09.30
申请人
GENERAL ELECTRIC COMPANY
发明人
WOODS WILLIAM J.
分类号
F15B15/18
主分类号
F15B15/18
代理机构
代理人
主权项
地址
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