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发明名称
摘要
申请公布号
JPS5131646(B1)
申请公布日期
1976.09.08
申请号
JP19720031243
申请日期
1972.03.30
申请人
发明人
分类号
B61H11/00;(IPC1-7):E01H8/10;B60T8/10
主分类号
B61H11/00
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代理人
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