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经营范围
发明名称
SCREWER
摘要
申请公布号
PL139736(B1)
申请公布日期
1987.02.28
申请号
PL19830241112
申请日期
1983.03.19
申请人
发明人
分类号
B25B;B25B23/14;(IPC1-7):B25B23/14
主分类号
B25B
代理机构
代理人
主权项
地址
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