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发明名称
Expansion valve
摘要
申请公布号
US1819370(A)
申请公布日期
1931.08.18
申请号
US19310507899
申请日期
1931.01.10
申请人
HVID RASMUS M
发明人
HVID RASMUS M.
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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