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经营范围
发明名称
Condensation preventing means for refrigerators
摘要
申请公布号
US2509784(A)
申请公布日期
1950.05.30
申请号
US19460668924
申请日期
1946.05.10
申请人
ROTH JOHN K
发明人
ROTH JOHN K.
分类号
F25D21/04
主分类号
F25D21/04
代理机构
代理人
主权项
地址
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