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发明名称
Twisting means
摘要
申请公布号
US2481538(A)
申请公布日期
1949.09.13
申请号
US19470740758
申请日期
1947.04.11
申请人
WILLIAM ROWEDDER
发明人
ROWEDDER WILLIAM
分类号
D01H1/00
主分类号
D01H1/00
代理机构
代理人
主权项
地址
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