CH7564A - School blackboard with frame - Google Patents

School blackboard with frame

Info

Publication number
CH7564A
CH7564A CH7564A CH7564DA CH7564A CH 7564 A CH7564 A CH 7564A CH 7564 A CH7564 A CH 7564A CH 7564D A CH7564D A CH 7564DA CH 7564 A CH7564 A CH 7564A
Authority
CH
Switzerland
Prior art keywords
frame
school blackboard
blackboard
school
Prior art date
Application number
CH7564A
Other languages
German (de)
Inventor
Friedrich Boller
Original Assignee
Friedrich Boller
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 Friedrich Boller filed Critical Friedrich Boller
Publication of CH7564A publication Critical patent/CH7564A/en

Links

CH7564A 1894-03-06 1894-03-06 School blackboard with frame CH7564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7564T 1894-03-06

Publications (1)

Publication Number Publication Date
CH7564A true CH7564A (en) 1894-05-15

Family

ID=4194446

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7564A CH7564A (en) 1894-03-06 1894-03-06 School blackboard with frame

Country Status (1)

Country Link
CH (1) CH7564A (en)

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