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发明名称
摘要
申请公布号
JPS50800(B1)
申请公布日期
1975.01.11
申请号
JP19730128478
申请日期
1973.11.15
申请人
发明人
分类号
G07B11/00;B65H29/60;B65H29/62;G06K13/12
主分类号
G07B11/00
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代理人
主权项
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