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发明名称
Rubber jointed chain for trench excavating devices
摘要
申请公布号
US1896711(A)
申请公布日期
1933.02.07
申请号
US19300505887
申请日期
1930.12.31
申请人
KOEHRING COMPANY
发明人
LICHTENBERG ERICH H.
分类号
E02F3/14;E02F5/06
主分类号
E02F3/14
代理机构
代理人
主权项
地址
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