| 申请日期 | 2025-07-14 | 申请号 | JP2003573189 |
| 公开（公告）号 | JP4417115B2 | 公开（公告）日 | 2010-02-17 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | OGASA KAZUO | ||
| 简介 | A hard metal alloy member which comprises a copper alloy comprising copper (Cu) in an amount of 40.00 to 99.45 wt % and, gadolinium (Gd) and at least one element selected from the group consisting of a rare earth element except Gd , an alkaline earth element, zirconium (Zr), tin (Sn), lead (Zn), indium (In), manganese (Mn), beryllium (Be) and cobalt (Co) in an amount of not less than 50 ppm and less than 15000 ppm. | ||
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