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发明名称
Improvements in or relating to grid structures for liquid freezing trays
摘要
申请公布号
GB489247(A)
申请公布日期
1938.07.22
申请号
GB19370023322
申请日期
1937.08.25
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
F25C1/24
主分类号
F25C1/24
代理机构
代理人
主权项
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