CH32311A - Bifocal lens - Google Patents

Bifocal lens

Info

Publication number
CH32311A
CH32311A CH32311A CH32311DA CH32311A CH 32311 A CH32311 A CH 32311A CH 32311 A CH32311 A CH 32311A CH 32311D A CH32311D A CH 32311DA CH 32311 A CH32311 A CH 32311A
Authority
CH
Switzerland
Prior art keywords
bifocal lens
bifocal
lens
Prior art date
Application number
CH32311A
Other languages
German (de)
Inventor
Heinrich Struebin
Original Assignee
Heinrich Struebin
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 Heinrich Struebin filed Critical Heinrich Struebin
Publication of CH32311A publication Critical patent/CH32311A/en

Links

CH32311A 1904-12-19 1904-12-19 Bifocal lens CH32311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH32311T 1904-12-19

Publications (1)

Publication Number Publication Date
CH32311A true CH32311A (en) 1905-07-15

Family

ID=4251465

Family Applications (1)

Application Number Title Priority Date Filing Date
CH32311A CH32311A (en) 1904-12-19 1904-12-19 Bifocal lens

Country Status (1)

Country Link
CH (1) CH32311A (en)

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