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经营范围
发明名称
Excavating bucket
摘要
申请公布号
US2382955(A)
申请公布日期
1945.08.21
申请号
US19430487709
申请日期
1943.05.20
申请人
BILLINGS ROY O
发明人
BILLINGS ROY O.
分类号
B66C3/16;E02F3/47
主分类号
B66C3/16
代理机构
代理人
主权项
地址
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