Apparatus for polishing gem stones

IL41863A0Inactive Publication Date: 1973-05-31SPECTRUM DIAMONDS PROPRETARY LTD
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Patent Information

Application Number
IL41863
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1972-03-23
Filing Date
1973-03-23
Publication Date
1973-05-31
Estimated Expiration
Not applicable · inactive patent
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