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发明名称
New or improved means for automatically clearing the drafting rollers of a gill box
摘要
申请公布号
GB784031(A)
申请公布日期
1957.10.02
申请号
GB19550035258
申请日期
1955.12.08
申请人
OTTO STEINWANDT
发明人
分类号
D01H5/64
主分类号
D01H5/64
代理机构
代理人
主权项
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