| 发明名称 |
Atmosphere compositions and methods of using same for surface treating ferrous metals |
| 摘要 |
Atmosphere compositions and processes utilizing the compositions for heat treating ferrous metal articles under a controlled furnace atmosphere to either maintain or change the surface chemistry of the article being treated are disclosed in the following specification.
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| 申请公布号 |
US4049472(A) |
申请公布日期 |
1977.09.20 |
| 申请号 |
US19750643348 |
申请日期 |
1975.12.22 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
ARNDT, EDWARD J. |
| 分类号 |
C21D1/76;C23C8/22;C23C8/32;(IPC1-7):C21D1/48;B23K35/34;C01B2/00 |
主分类号 |
C21D1/76 |
| 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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