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发明名称
Reel
摘要
申请公布号
US2273579(A)
申请公布日期
1942.02.17
申请号
US19410384422
申请日期
1941.03.20
申请人
KRIEG ELDON L
发明人
KRIEG ELDON L.
分类号
B65H75/38;F16L3/01
主分类号
B65H75/38
代理机构
代理人
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地址
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