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发明名称
Self feeding screw-driver
摘要
申请公布号
US2727546(A)
申请公布日期
1955.12.20
申请号
US19530373834
申请日期
1953.08.12
申请人
CROWLEY THEODORE D
发明人
CROWLEY THEODORE D.
分类号
B25B15/02;B25B23/06
主分类号
B25B15/02
代理机构
代理人
主权项
地址
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