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发明名称
Means for lubricating refrigeration systems
摘要
申请公布号
US1834136(A)
申请公布日期
1931.12.01
申请号
US19280262815
申请日期
1928.03.19
申请人
APEX ELECTRICAL MANUFACTURING COMPANY
发明人
ANDREWS FRANK W.
分类号
F25B31/00
主分类号
F25B31/00
代理机构
代理人
主权项
地址
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