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经营范围
发明名称
Spinning frame
摘要
申请公布号
US1928679(A)
申请公布日期
1933.10.03
申请号
US19310548939
申请日期
1931.07.06
申请人
SANFORD MILLS
发明人
SPRING WALTER M.
分类号
B65H57/12;D01H13/04
主分类号
B65H57/12
代理机构
代理人
主权项
地址
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