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发明名称
System of ice-manufacture and refrigeration
摘要
申请公布号
US1805932(A)
申请公布日期
1931.05.19
申请号
US19270205254
申请日期
1927.07.12
申请人
VAIL GEORGE L
发明人
VAIL GEORGE L.
分类号
F25C1/20
主分类号
F25C1/20
代理机构
代理人
主权项
地址
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