CH68681A - Trigonometric protractor - Google Patents

Trigonometric protractor

Info

Publication number
CH68681A
CH68681A CH68681A CH68681DA CH68681A CH 68681 A CH68681 A CH 68681A CH 68681 A CH68681 A CH 68681A CH 68681D A CH68681D A CH 68681DA CH 68681 A CH68681 A CH 68681A
Authority
CH
Switzerland
Prior art keywords
protractor
trigonometric
trigonometric protractor
Prior art date
Application number
CH68681A
Other languages
German (de)
Inventor
Dimitri Agapoff
Original Assignee
Dimitri Agapoff
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 Dimitri Agapoff filed Critical Dimitri Agapoff
Publication of CH68681A publication Critical patent/CH68681A/en

Links

CH68681A 1914-04-20 1914-04-20 Trigonometric protractor CH68681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH68681T 1914-04-20

Publications (1)

Publication Number Publication Date
CH68681A true CH68681A (en) 1915-04-16

Family

ID=4316281

Family Applications (1)

Application Number Title Priority Date Filing Date
CH68681A CH68681A (en) 1914-04-20 1914-04-20 Trigonometric protractor

Country Status (1)

Country Link
CH (1) CH68681A (en)

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