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发明名称
Improvements in track-ways
摘要
申请公布号
GB375139(A)
申请公布日期
1932.06.23
申请号
GB19310024923
申请日期
1931.09.04
申请人
DEMAG AKTIENGESELLSCHAFT
发明人
分类号
B66C6/00
主分类号
B66C6/00
代理机构
代理人
主权项
地址
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