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发明名称
摘要
申请公布号
DD127387(A1)
申请公布日期
1977.09.21
申请号
DD19760194675
申请日期
1976.09.08
申请人
发明人
分类号
B60H1/00;B61D27/00;(IPC1-7):B60H1/00
主分类号
B60H1/00
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代理人
主权项
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