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发明名称
Blowpipe nozzle and method of manufacture
摘要
申请公布号
US2896698(A)
申请公布日期
1959.07.28
申请号
US19540456219
申请日期
1954.09.15
申请人
UNION CARBIDE CORPORATION
发明人
ZEBRICK ANDREW J.
分类号
B21K21/08;F23D14/52;F23D14/54
主分类号
B21K21/08
代理机构
代理人
主权项
地址
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