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经营范围
发明名称
Refrigeration
摘要
申请公布号
US2149947(A)
申请公布日期
1939.03.07
申请号
US19380190727
申请日期
1938.02.16
申请人
ZELLHOEFER GLENN F
发明人
ZELLHOEFER GLENN F.
分类号
C09K5/04
主分类号
C09K5/04
代理机构
代理人
主权项
地址
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