✦ LIBER ✦
Method for promoting the flow of molten materials into a mold using ultrasonic energy via probe means: Hoffman, R., US patent 3, 461, 942 (19 August 1969) continuation-in-part of application (20 October 1964) (applied for 6 December 1966)
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 155 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0041-624X
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