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发明名称
Combination spool and bobbin assembly
摘要
申请公布号
US2458898(A)
申请公布日期
1949.01.11
申请号
US19480012512
申请日期
1948.03.02
申请人
DI ADDARIO THOMAS D
发明人
ADDARIO THOMAS D. DI
分类号
B65H75/04;D05B57/28
主分类号
B65H75/04
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