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经营范围
发明名称
Cooling apparatus
摘要
申请公布号
US1798266(A)
申请公布日期
1931.03.31
申请号
US19290385434
申请日期
1929.08.12
申请人
PAUL MARET ERNST;WISSMANN WALTER W
发明人
MARET ERNST PAUL;WISSMANN WALTER W.
分类号
A47C1/04
主分类号
A47C1/04
代理机构
代理人
主权项
地址
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