| 发明名称 |
BEKLEDE LASELEKTRODE VAN HET BASISCHE TYPE GESCHIKT VOOR NEERGAAND LASSEN VAN GEFIXEERDE PIJPEN. |
| 摘要 |
Basic coated welding electrodes for downhand welding of fixed pipes, the non-metallic portion of the coating containing calcium carbonate and calcium fluoride in a weight ratio between 10 and 20, also comprising at least 35% by weight of iron powder. |
| 申请公布号 |
NL7908212(A) |
申请公布日期 |
1981.06.01 |
| 申请号 |
NL19790008212 |
申请日期 |
1979.11.09 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN TE EINDHOVEN. |
发明人 |
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| 分类号 |
B23K35/365;(IPC1-7):23K35/36;23K35/04 |
主分类号 |
B23K35/365 |
| 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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