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发明名称
Drill point screw
摘要
申请公布号
US3207024(A)
申请公布日期
1965.09.21
申请号
US19620218061
申请日期
1962.08.20
申请人
ILLINOIS TOOL WORKS INC.
发明人
SOMMER CHARLES E.
分类号
B21K1/44;F16B25/10
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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