CA290203A - Optical glass measure - Google Patents

Optical glass measure

Info

Publication number
CA290203A
CA290203A CA290203A CA290203DA CA290203A CA 290203 A CA290203 A CA 290203A CA 290203 A CA290203 A CA 290203A CA 290203D A CA290203D A CA 290203DA CA 290203 A CA290203 A CA 290203A
Authority
CA
Canada
Prior art keywords
optical glass
glass measure
measure
optical
glass
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
CA290203A
Other languages
French (fr)
Inventor
D. Ritholz Benjamin
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.)
NATIONAL WATCH AND JEWELRY CO
Original Assignee
NATIONAL WATCH AND JEWELRY CO
Publication date
Application granted granted Critical
Publication of CA290203A publication Critical patent/CA290203A/en
Expired legal-status Critical Current

Links

CA290203A Optical glass measure Expired CA290203A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290203T

Publications (1)

Publication Number Publication Date
CA290203A true CA290203A (en) 1929-06-04

Family

ID=35227015

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290203A Expired CA290203A (en) Optical glass measure

Country Status (1)

Country Link
CA (1) CA290203A (en)

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