CS189413B1 - Melt treatment for manufacturing hollow balls from corundum - Google Patents

Melt treatment for manufacturing hollow balls from corundum

Info

Publication number
CS189413B1
CS189413B1 CS393777A CS393777A CS189413B1 CS 189413 B1 CS189413 B1 CS 189413B1 CS 393777 A CS393777 A CS 393777A CS 393777 A CS393777 A CS 393777A CS 189413 B1 CS189413 B1 CS 189413B1
Authority
CS
Czechoslovakia
Prior art keywords
corundum
hollow balls
melt treatment
manufacturing hollow
melt
Prior art date
Application number
CS393777A
Other languages
English (en)
Inventor
Vaclav John
Petr Hampl
Original Assignee
Vaclav John
Petr Hampl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vaclav John, Petr Hampl filed Critical Vaclav John
Priority to CS393777A priority Critical patent/CS189413B1/cs
Publication of CS189413B1 publication Critical patent/CS189413B1/cs

Links

CS393777A 1977-06-15 1977-06-15 Melt treatment for manufacturing hollow balls from corundum CS189413B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS393777A CS189413B1 (en) 1977-06-15 1977-06-15 Melt treatment for manufacturing hollow balls from corundum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS393777A CS189413B1 (en) 1977-06-15 1977-06-15 Melt treatment for manufacturing hollow balls from corundum

Publications (1)

Publication Number Publication Date
CS189413B1 true CS189413B1 (en) 1979-04-30

Family

ID=5380881

Family Applications (1)

Application Number Title Priority Date Filing Date
CS393777A CS189413B1 (en) 1977-06-15 1977-06-15 Melt treatment for manufacturing hollow balls from corundum

Country Status (1)

Country Link
CS (1) CS189413B1 (cs)

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