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发明名称
Improvements connected with needle threading devices
摘要
申请公布号
GB633123(A)
申请公布日期
1949.12.12
申请号
GB19470025344
申请日期
1947.09.17
申请人
WILFRED JOHN SKILLINGTON;FRANCIS ALFRED WARNER
发明人
分类号
D05B85/00;D05B87/00
主分类号
D05B85/00
代理机构
代理人
主权项
地址
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