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发明名称
Safety and adjusting device for cord reel
摘要
申请公布号
US2773656(A)
申请公布日期
1956.12.11
申请号
US19550516268
申请日期
1955.06.17
申请人
BECKER RODGER F
发明人
BECKER RODGER F.
分类号
B25H1/00
主分类号
B25H1/00
代理机构
代理人
主权项
地址
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