DE199188C - - Google Patents

Info

Publication number
DE199188C
DE199188C DE1907199188D DE199188DA DE199188C DE 199188 C DE199188 C DE 199188C DE 1907199188 D DE1907199188 D DE 1907199188D DE 199188D A DE199188D A DE 199188DA DE 199188 C DE199188 C DE 199188C
Authority
DE
Germany
Prior art keywords
blackboard
water
pipes
arrangement
water tank
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 - Lifetime
Application number
DE1907199188D
Other languages
German (de)
English (en)
Filing date
Publication of DE199188C publication Critical patent/DE199188C/de
Application filed filed Critical
Priority to AT37016D priority Critical patent/AT37016B/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices

Landscapes

  • Drawing Aids And Blackboards (AREA)
DE1907199188D 1907-10-03 1907-10-03 Expired - Lifetime DE199188C (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT37016D AT37016B (de) 1907-10-03 1908-08-08 Vorrichtung zum Reinigen von Wandtafeln.

Publications (1)

Publication Number Publication Date
DE199188C true DE199188C (en:Method)

Family

ID=461928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1907199188D Expired - Lifetime DE199188C (en:Method) 1907-10-03 1907-10-03

Country Status (1)

Country Link
DE (1) DE199188C (en:Method)

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