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发明名称
Cotton cleaner
摘要
申请公布号
US2456156(A)
申请公布日期
1948.12.14
申请号
US19460673397
申请日期
1946.05.31
申请人
SPECK WILLIAM F
发明人
SPECK WILLIAM F.
分类号
D01G9/04
主分类号
D01G9/04
代理机构
代理人
主权项
地址
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