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发明名称
Heat treating apparatus for metal work
摘要
申请公布号
US1913090(A)
申请公布日期
1933.06.06
申请号
US19310558413
申请日期
1931.08.20
申请人
HEYMAN ROSENBERG
发明人
ROSENBERG HEYMAN
分类号
C21D1/44;C21D9/00
主分类号
C21D1/44
代理机构
代理人
主权项
地址
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