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发明名称
Rack-tooth hardening machine
摘要
申请公布号
US2819057(A)
申请公布日期
1958.01.07
申请号
US19550541208
申请日期
1955.10.18
申请人
THE NEW BRITAIN MACHINE COMPANY
发明人
PETHYBRIDGE CHARLES A.
分类号
C21D9/32;H05B6/02
主分类号
C21D9/32
代理机构
代理人
主权项
地址
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