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发明名称
摘要
申请公布号
PL68905(B1)
申请公布日期
1973.02.28
申请号
PL19700138488
申请日期
1970.01.30
申请人
发明人
分类号
B61G5/00;(IPC1-7):B61G5/00
主分类号
B61G5/00
代理机构
代理人
主权项
地址
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