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发明名称
Improvements in jacks
摘要
申请公布号
GB949420(A)
申请公布日期
1964.02.12
申请号
GB19620018858
申请日期
1962.05.16
申请人
AKTIEBOLAGET BYGGFORBATTRING
发明人
分类号
B66C23/32;E02B17/08
主分类号
B66C23/32
代理机构
代理人
主权项
地址
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