CA220855A - Artificial corundum - Google Patents

Artificial corundum

Info

Publication number
CA220855A
CA220855A CA220855A CA220855DA CA220855A CA 220855 A CA220855 A CA 220855A CA 220855 A CA220855 A CA 220855A CA 220855D A CA220855D A CA 220855DA CA 220855 A CA220855 A CA 220855A
Authority
CA
Canada
Prior art keywords
artificial corundum
corundum
artificial
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA220855A
Other languages
French (fr)
Inventor
Robert Macdonald, Jr.
Anthony Richmond Harold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GENERAL ABRASIVE Co
Original Assignee
GENERAL ABRASIVE Co
Publication date
Application granted granted Critical
Publication of CA220855A publication Critical patent/CA220855A/en
Expired legal-status Critical Current

Links

CA220855A Artificial corundum Expired CA220855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220855T

Publications (1)

Publication Number Publication Date
CA220855A true CA220855A (en) 1922-07-11

Family

ID=35116458

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220855A Expired CA220855A (en) Artificial corundum

Country Status (1)

Country Link
CA (1) CA220855A (en)

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