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发明名称
Short core shaft
摘要
申请公布号
US2638282(A)
申请公布日期
1953.05.12
申请号
US19480047570
申请日期
1948.09.03
申请人
JOHN W. BOLTON & SONS, INC.
发明人
PREVOST BRUNO E.
分类号
B65H75/24;D06C15/08;F16D3/76
主分类号
B65H75/24
代理机构
代理人
主权项
地址
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