| 发明名称 |
METHOD AND DEVICE FOR WELDING HIGH TENSILE STRENGTH STEEL OF HIGHER STRENGTH |
| 摘要 |
At first to execute a welding of high tensile strength steel of more than 60 kg/mm2 an electro-slag welding technique is adapted.
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| 申请公布号 |
US3660629(A) |
申请公布日期 |
1972.05.02 |
| 申请号 |
USD3660629 |
申请日期 |
1970.01.02 |
| 申请人 |
HITACHI SHIPBUILDING & ENGINEERING CO. LTD. |
发明人 |
TUNEO NAKAI;AKIRA ANDO;SETUZI MINEHISA;SHUNSUKE KANEKO;YOSINORI SIRAKI;TATUO INUI;HIROYUKI NAKAZIMA;NAOTUGU TOMINAGA |
| 分类号 |
B23K25/00;C21D9/50;(IPC1-7):B23K9/18 |
主分类号 |
B23K25/00 |
| 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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