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发明名称
Expansion valve
摘要
申请公布号
US2550022(A)
申请公布日期
1951.04.24
申请号
US19470752376
申请日期
1947.06.04
申请人
GENERAL CONTROLS CO.
发明人
RAY WILLIAM A.
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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