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发明名称
Spindle
摘要
申请公布号
US2249387(A)
申请公布日期
1941.07.15
申请号
US19380230597
申请日期
1938.09.19
申请人
KELLEY FRANCIS E
发明人
KELLEY FRANCIS E.
分类号
D01H7/04
主分类号
D01H7/04
代理机构
代理人
主权项
地址
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