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经营范围
发明名称
Freezing device
摘要
申请公布号
US2214312(A)
申请公布日期
1940.09.10
申请号
US19390293500
申请日期
1939.09.05
申请人
STOVALL LEONARD M
发明人
STOVALL LEONARD M.
分类号
A23G9/18
主分类号
A23G9/18
代理机构
代理人
主权项
地址
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