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发明名称
Power transmission
摘要
申请公布号
US2164647(A)
申请公布日期
1939.07.04
申请号
US19350042429
申请日期
1935.09.27
申请人
THE WATERBURY TOOL COMPANY
发明人
ELLIS ARTHUR L.
分类号
B21D24/14
主分类号
B21D24/14
代理机构
代理人
主权项
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