๐”– Bobbio Scriptorium
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Method of making an electrical vacuum apparatus: L B Lyubarskii et al, USSR patent No, 346,246, appl 28 Dec 1970, publd 4 Aug 1972


Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
165 KB
Volume
24
Category
Article
ISSN
0042-207X

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