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发明名称
Spinning and twisting rings
摘要
申请公布号
US2718112(A)
申请公布日期
1955.09.20
申请号
US19520318585
申请日期
1952.11.04
申请人
MERRIMAN BROTHERS, INC.
发明人
WAYSON ANDREW J.
分类号
D01H7/62
主分类号
D01H7/62
代理机构
代理人
主权项
地址
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