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发明名称
Lead pan
摘要
申请公布号
US1872712(A)
申请公布日期
1932.08.23
申请号
US19310532824
申请日期
1931.04.25
申请人
FAHRENWALD FRANK A
发明人
FAHRENWALD FRANK A.
分类号
C21D1/48
主分类号
C21D1/48
代理机构
代理人
主权项
地址
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