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发明名称
Gear mechanism
摘要
申请公布号
US1913403(A)
申请公布日期
1933.06.13
申请号
US19310514925
申请日期
1931.02.11
申请人
MCCOLLUM HOIST & MFG. CO.
发明人
MCCOLLUM EARL E.
分类号
B66D3/16
主分类号
B66D3/16
代理机构
代理人
主权项
地址
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