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发明名称
Heat treating apparatus
摘要
申请公布号
US1890431(A)
申请公布日期
1932.12.06
申请号
US19290390944
申请日期
1929.09.07
申请人
ALBERT C. NOLTE
发明人
SCHWAB GUSTAV
分类号
C21D9/00
主分类号
C21D9/00
代理机构
代理人
主权项
地址
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