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发明名称
Self-reversing trolley bucket
摘要
申请公布号
US1810603(A)
申请公布日期
1931.06.16
申请号
US19290406470
申请日期
1929.11.11
申请人
GIFFORD-WOOD COMPANY
发明人
HALLENBECK HAROLD E.
分类号
B66C3/00
主分类号
B66C3/00
代理机构
代理人
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