发明名称 |
METHOD OF PRODUCING VALVEEATTACHED ANGLE |
摘要 |
PURPOSE:To accomplish production of a valve-attached angle excellent in quality economically with a direct reduction of a billet roughly rolled to a given crosssection by means of a vertical roll installed to a unif universal rough and finish rolling mill. |
申请公布号 |
JPS5425253(A) |
申请公布日期 |
1979.02.26 |
申请号 |
JP19770090406 |
申请日期 |
1977.07.29 |
申请人 |
NIPPON KOKAN KK |
发明人 |
IRIE TOSHIJI |
分类号 |
B21B1/10;B21B1/08;B21B1/09;E04C3/04 |
主分类号 |
B21B1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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