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657. Method of preparing vacuum-tight metalloceramic parts of electrical vacuum apparatus: L N Prokhorov and V P Kruchinin, USSR patent No 297086, appl 31st Dec 1969, publd 6th April 1971


Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
174 KB
Volume
22
Category
Article
ISSN
0042-207X

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