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发明名称
Improvements in expansion valves for refrigeration plants
摘要
申请公布号
GB745977(A)
申请公布日期
1956.03.07
申请号
GB19540001805
申请日期
1954.01.21
申请人
J. & E. HALL LIMITED
发明人
HALES RICHARD THOMAS
分类号
F25B41/06
主分类号
F25B41/06
代理机构
代理人
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地址
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