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发明名称
摘要
申请公布号
JPS4991741(U)
申请公布日期
1974.08.08
申请号
JP19720137342U
申请日期
1972.11.28
申请人
发明人
分类号
B65H23/16;H01G13/02;(IPC1-7):H01G13/02
主分类号
B65H23/16
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