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发明名称
Control system for billet marking
摘要
申请公布号
US2646746(A)
申请公布日期
1953.07.28
申请号
US19470738763
申请日期
1947.04.01
申请人
UNITED STATES STEEL CORPORATION
发明人
SR. HERMAN E. MULLER,
分类号
B44B5/00
主分类号
B44B5/00
代理机构
代理人
主权项
地址
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