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经营范围
发明名称
Expansion valve
摘要
申请公布号
US2506724(A)
申请公布日期
1950.05.09
申请号
US19450619734
申请日期
1945.10.02
申请人
THE WEATHERHEAD COMPANY
发明人
LINDGREN GEORGE O. R.
分类号
F25B41/06
主分类号
F25B41/06
代理机构
代理人
主权项
地址
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