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经营范围
发明名称
Defrosting apparatus
摘要
申请公布号
US1819510(A)
申请公布日期
1931.08.18
申请号
US19290400513
申请日期
1929.10.18
申请人
HEBELER EDWARD S
发明人
HEBELER EDWARD S.
分类号
F25D21/12
主分类号
F25D21/12
代理机构
代理人
主权项
地址
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