Invention Grant
- Patent Title: Method and means for testing materials
- Patent Title (中): 测试材料的方法和手段
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Application No.: US21991938Application Date: 1938-07-18
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Publication No.: US2316253APublication Date: 1943-04-13
- Inventor: GEORGE KEINATH
- Applicant: GEORGE KEINATH
- Assignee: Keinath George
- Current Assignee: Keinath George
- Priority: DE2316253X 1937-07-17
- Main IPC: G01M13/02
- IPC: G01M13/02 ; G01N3/34
Information query
