CA423874A - Machine a meuler et a polir les diamants - Google Patents

Machine a meuler et a polir les diamants

Info

Publication number
CA423874A
CA423874A CA423874A CA423874DA CA423874A CA 423874 A CA423874 A CA 423874A CA 423874 A CA423874 A CA 423874A CA 423874D A CA423874D A CA 423874DA CA 423874 A CA423874 A CA 423874A
Authority
CA
Canada
Prior art keywords
diamonds
lapping
grinding
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
CA423874A
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 CA423874A publication Critical patent/CA423874A/fr
Expired legal-status Critical Current

Links

CA423874A Machine a meuler et a polir les diamants Expired CA423874A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA423874T

Publications (1)

Publication Number Publication Date
CA423874A true CA423874A (fr) 1944-11-21

Family

ID=35534884

Family Applications (1)

Application Number Title Priority Date Filing Date
CA423874A Expired CA423874A (fr) Machine a meuler et a polir les diamants

Country Status (1)

Country Link
CA (1) CA423874A (fr)

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