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经营范围
发明名称
Expansion valve
摘要
申请公布号
US1971695(A)
申请公布日期
1934.08.28
申请号
US19330661003
申请日期
1933.03.16
申请人
SERVEL, INC.
发明人
PLOEGER CLYDE E.
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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