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发明名称
Excavating dipper
摘要
申请公布号
US1770543(A)
申请公布日期
1930.07.15
申请号
US19270218944
申请日期
1927.09.12
申请人
THE MARION STEAM SHOVEL COMPANY
发明人
MILEY WALTER E.
分类号
E02F3/40
主分类号
E02F3/40
代理机构
代理人
主权项
地址
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