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发明名称
Holder for bobbins
摘要
申请公布号
US2493208(A)
申请公布日期
1950.01.03
申请号
US19470741815
申请日期
1947.04.16
申请人
SEDGEWICK RICHARD D
发明人
SEDGEWICK RICHARD D.
分类号
D04B3/06
主分类号
D04B3/06
代理机构
代理人
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地址
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