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发明名称
UPPER FEED DOG FOR SEWING MACHINE
摘要
申请公布号
KR1019830000088(B1)
申请公布日期
1983.02.08
申请号
KR1019780003965
申请日期
1978.12.29
申请人
发明人
分类号
主分类号
代理机构
代理人
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地址
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