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发明名称
Cleaning tool
摘要
申请公布号
US2319355(A)
申请公布日期
1943.05.18
申请号
US19410395908
申请日期
1941.05.31
申请人
CELANESE CORPORATION OF AMERICA
发明人
STOREY ALVIN B.
分类号
D01H1/42
主分类号
D01H1/42
代理机构
代理人
主权项
地址
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