Invention Grant
US1626005A Apparatus for determining the percentage of carbon in alpha specimen of iron or steel
失效
用于确定铁或钢的α标本中碳的百分比的装置
- Patent Title: Apparatus for determining the percentage of carbon in alpha specimen of iron or steel
- Patent Title (中): 用于确定铁或钢的α标本中碳的百分比的装置
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Application No.: US72262324Application Date: 1924-06-26
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Publication No.: US1626005APublication Date: 1927-04-26
- Inventor: GUNNAR MALMBERG CARL JOHAN , GUNNAR HOLMSTROM JOHAN
- Applicant: GUNNAR MALMBERG CARL JOHAN , GUNNAR HOLMSTROM JOHAN
- Assignee: Malmberg Carl Johan Gunnar,Holmstrom Johan Gunnar
- Current Assignee: Malmberg Carl Johan Gunnar,Holmstrom Johan Gunnar
- Priority: US72262324 1924-06-26; US44289521 1921-02-05
- Main IPC: G01N27/80
- IPC: G01N27/80
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