CA284305A - Production de pierres precieuses - Google Patents

Production de pierres precieuses

Info

Publication number
CA284305A
CA284305A CA284305A CA284305DA CA284305A CA 284305 A CA284305 A CA 284305A CA 284305 A CA284305 A CA 284305A CA 284305D A CA284305D A CA 284305DA CA 284305 A CA284305 A CA 284305A
Authority
CA
Canada
Prior art keywords
material production
gem material
gem
production
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
CA284305A
Other languages
English (en)
Inventor
H. Barnett Leon
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 CA284305A publication Critical patent/CA284305A/fr
Expired legal-status Critical Current

Links

CA284305A Production de pierres precieuses Expired CA284305A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA284305T

Publications (1)

Publication Number Publication Date
CA284305A true CA284305A (fr) 1928-10-30

Family

ID=35217396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284305A Expired CA284305A (fr) Production de pierres precieuses

Country Status (1)

Country Link
CA (1) CA284305A (fr)

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