๐”– Bobbio Scriptorium
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A new method of finishing of ball valve balls

โœ Scribed by V. V. Zimin


Publisher
Springer
Year
1993
Tongue
English
Weight
391 KB
Volume
29
Category
Article
ISSN
0009-2355

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## Abstract This work represents a preliminary study of one case history of a silicone heart valve. The laboratory techniques employed have proven useful in characterizing the polymer before and after implantation. Before any model explaining ball variance can be proposed it must be determined whet