CA450235A - Gem grinding device - Google Patents

Gem grinding device

Info

Publication number
CA450235A
CA450235A CA450235A CA450235DA CA450235A CA 450235 A CA450235 A CA 450235A CA 450235 A CA450235 A CA 450235A CA 450235D A CA450235D A CA 450235DA CA 450235 A CA450235 A CA 450235A
Authority
CA
Canada
Prior art keywords
grinding device
gem grinding
gem
grinding
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
CA450235A
Other languages
French (fr)
Inventor
Hillel Spira Josef
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 CA450235A publication Critical patent/CA450235A/en
Expired legal-status Critical Current

Links

CA450235A Gem grinding device Expired CA450235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA450235T

Publications (1)

Publication Number Publication Date
CA450235A true CA450235A (en) 1948-08-03

Family

ID=35567952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA450235A Expired CA450235A (en) Gem grinding device

Country Status (1)

Country Link
CA (1) CA450235A (en)

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