CA446697A - Machine a couper, egriser ou polir des diamants - Google Patents

Machine a couper, egriser ou polir des diamants

Info

Publication number
CA446697A
CA446697A CA446697A CA446697DA CA446697A CA 446697 A CA446697 A CA 446697A CA 446697 A CA446697 A CA 446697A CA 446697D A CA446697D A CA 446697DA CA 446697 A CA446697 A CA 446697A
Authority
CA
Canada
Prior art keywords
diamonds
grinding
cutting
polishing machine
polishing
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
CA446697A
Other languages
English (en)
Inventor
Charles Jearum Frederick
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA446697A publication Critical patent/CA446697A/fr
Expired legal-status Critical Current

Links

CA446697A Machine a couper, egriser ou polir des diamants Expired CA446697A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA446697T

Publications (1)

Publication Number Publication Date
CA446697A true CA446697A (fr) 1948-02-17

Family

ID=35564374

Family Applications (1)

Application Number Title Priority Date Filing Date
CA446697A Expired CA446697A (fr) Machine a couper, egriser ou polir des diamants

Country Status (1)

Country Link
CA (1) CA446697A (fr)

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