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发明名称
Sinker head
摘要
申请公布号
US2677258(A)
申请公布日期
1954.05.04
申请号
US19510217507
申请日期
1951.03.26
申请人
FRED C. GOOD & SONS, INC.
发明人
GOOD FREDERICK C.
分类号
D04B11/22
主分类号
D04B11/22
代理机构
代理人
主权项
地址
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