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经营范围
发明名称
Flatiron attachment
摘要
申请公布号
US2033580(A)
申请公布日期
1936.03.10
申请号
US19340759962
申请日期
1934.12.31
申请人
ALEXANDER KOWALSKI
发明人
KOWALSKI ALEXANDER
分类号
D06F75/40
主分类号
D06F75/40
代理机构
代理人
主权项
地址
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