CA220855A - Corindon artificiel - Google Patents

Corindon artificiel

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
English (en)
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/fr
Expired legal-status Critical Current

Links

CA220855A Corindon artificiel Expired CA220855A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220855T

Publications (1)

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

Family

ID=35116458

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220855A Expired CA220855A (fr) Corindon artificiel

Country Status (1)

Country Link
CA (1) CA220855A (fr)

Similar Documents

Publication Publication Date Title
CA220855A (fr) Corindon artificiel
CA215747A (fr) Main artificielle
CA220033A (fr) Main artificielle
CA220417A (fr) Main artificielle
CA226660A (fr) Main artificielle
CA216848A (fr) Ligne graphique
CA223110A (fr) Pierre artificielle
CA225522A (fr) Pierre artificielle
CA222535A (fr) Marbre artificiel
CA220873A (fr) Insectifuge
CA225628A (fr) Membre artificiel
CA226544A (fr) Dentier
CA214947A (fr) Dent artificielle
CA252618A (fr) Ligne artificielle
CA226985A (fr) Couronne artificielle
CA226464A (fr) Systeme selecteur avec lignes artificielles
CA229231A (fr) Pierre artificielle
CA230554A (fr) Ligne artificielle
CA218991A (fr) Forme
CA222313A (fr) Monture d'alambic
CA222314A (fr) Monture d'alambic
CA215026A (fr) Dispositif d'ancrage
CA215203A (fr) Piezophonie
CA215532A (fr) Telephonographe
CA215564A (fr) Traineau a pierre