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发明名称
Arbor for spools or the like
摘要
申请公布号
US2248716(A)
申请公布日期
1941.07.08
申请号
US19400330792
申请日期
1940.04.20
申请人
MARKLE JR GEORGE B
发明人
JR. GEORGE B. MARKLE,
分类号
B65H75/24
主分类号
B65H75/24
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代理人
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