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发明名称
摘要
申请公布号
JPS5412704(B2)
申请公布日期
1979.05.24
申请号
JP19730140180
申请日期
1973.12.15
申请人
发明人
分类号
B66C23/687;B66C23/693;B66C23/70
主分类号
B66C23/687
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代理人
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