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发明名称
Thread holding and cutting device
摘要
申请公布号
US2402696(A)
申请公布日期
1946.06.25
申请号
US19430509865
申请日期
1943.11.11
申请人
TRACK LAURA K
发明人
TRACK LAURA K.
分类号
B65H49/32;B65H54/71
主分类号
B65H49/32
代理机构
代理人
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地址
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