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发明名称
Reel
摘要
申请公布号
US2262900(A)
申请公布日期
1941.11.18
申请号
US19390299590
申请日期
1939.10.16
申请人
MORGAN CONSTRUCTION COMPANY
发明人
MORGAN MYLES
分类号
B21C47/28
主分类号
B21C47/28
代理机构
代理人
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