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发明名称
Coupling device
摘要
申请公布号
US2240886(A)
申请公布日期
1941.05.06
申请号
US19400351573
申请日期
1940.08.06
申请人
THE BUFFALO-SPRINGFIELD ROLLER CO.
发明人
GREINER CARL F.
分类号
E01C19/26
主分类号
E01C19/26
代理机构
代理人
主权项
地址
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