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经营范围
发明名称
Improvements in or relating to material feeding devices for double chain stitch sewing machines
摘要
申请公布号
GB814055(A)
申请公布日期
1959.05.27
申请号
GB19570022097
申请日期
1957.07.12
申请人
G. M. PFAFF A.-G.
发明人
分类号
D05B27/02;D05B73/00
主分类号
D05B27/02
代理机构
代理人
主权项
地址
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