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发明名称
OXYGEN LANCE
摘要
申请公布号
US3531097(A)
申请公布日期
1970.09.29
申请号
USD3531097
申请日期
1967.03.24
申请人
PITTSBURGH STEEL CO.
发明人
MICHAEL PAULINA
分类号
C21C5/46;(IPC1-7):C21C5/32
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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