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发明名称
Copying device for sewing-machine
摘要
申请公布号
US2894468(A)
申请公布日期
1959.07.14
申请号
US19570651959
申请日期
1957.04.10
申请人
WALTER NOHL
发明人
NOHL WALTER
分类号
D05B3/24;D05B27/24
主分类号
D05B3/24
代理机构
代理人
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