✦ LIBER ✦
Process and device for the non-destructive control of work pieces by ultrasound following the method of emission of impulses and receiving of echoes: Ruhrgas Aktiengesellschaft , French Patent 1, 552, 533 (3 January 1969) (Appled for 29 January 1968) (In Germany 31 January 1967)
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 183 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0041-624X
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