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经营范围
发明名称
Defrosting apparatus
摘要
申请公布号
US1912841(A)
申请公布日期
1933.06.06
申请号
US19310577334
申请日期
1931.11.25
申请人
PAUL HAYMOND
发明人
HAYMOND PAUL
分类号
F25B47/02
主分类号
F25B47/02
代理机构
代理人
主权项
地址
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