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发明名称
摘要
申请公布号
GB1229897(A)
申请公布日期
1971.04.28
申请号
GBD1229897
申请日期
1969.03.21
申请人
发明人
分类号
B60P3/00;B64F1/305
主分类号
B60P3/00
代理机构
代理人
主权项
地址
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