CH36523A - Lentille bifocale perfectionée - Google Patents

Lentille bifocale perfectionée

Info

Publication number
CH36523A
CH36523A CH36523A CH36523DA CH36523A CH 36523 A CH36523 A CH 36523A CH 36523 A CH36523 A CH 36523A CH 36523D A CH36523D A CH 36523DA CH 36523 A CH36523 A CH 36523A
Authority
CH
Switzerland
Prior art keywords
advanced
bifocal lens
bifocal
lens
advanced bifocal
Prior art date
Application number
CH36523A
Other languages
English (en)
Inventor
Malcolm Bentzon
Original Assignee
Malcolm Bentzon
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Malcolm Bentzon filed Critical Malcolm Bentzon
Publication of CH36523A publication Critical patent/CH36523A/fr

Links

CH36523A 1905-12-28 1905-12-28 Lentille bifocale perfectionée CH36523A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH36523T 1905-12-28

Publications (1)

Publication Number Publication Date
CH36523A true CH36523A (fr) 1907-01-31

Family

ID=4260596

Family Applications (1)

Application Number Title Priority Date Filing Date
CH36523A CH36523A (fr) 1905-12-28 1905-12-28 Lentille bifocale perfectionée

Country Status (1)

Country Link
CH (1) CH36523A (fr)

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