DE143192C - - Google Patents

Info

Publication number
DE143192C
DE143192C DENDAT143192D DE143192DA DE143192C DE 143192 C DE143192 C DE 143192C DE NDAT143192 D DENDAT143192 D DE NDAT143192D DE 143192D A DE143192D A DE 143192DA DE 143192 C DE143192 C DE 143192C
Authority
DE
Germany
Prior art keywords
frame
board
clamping
sheet
paper
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.)
Active
Application number
DENDAT143192D
Other languages
German (de)
English (en)
Publication of DE143192C publication Critical patent/DE143192C/de
Active legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L5/00Drawing boards
    • B43L5/02Drawing boards having means for clamping sheets of paper thereto

Landscapes

  • Drawing Aids And Blackboards (AREA)
DENDAT143192D Active DE143192C (ja)

Publications (1)

Publication Number Publication Date
DE143192C true DE143192C (ja)

Family

ID=410699

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT143192D Active DE143192C (ja)

Country Status (1)

Country Link
DE (1) DE143192C (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE920538C (de) * 1952-01-03 1954-11-25 Jakob Roesch Zeichenbrett
US4513233A (en) * 1983-12-22 1985-04-23 Gte Automatic Electric Incorporated Pulse monitor circuit for use as a fan speed monitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE920538C (de) * 1952-01-03 1954-11-25 Jakob Roesch Zeichenbrett
US4513233A (en) * 1983-12-22 1985-04-23 Gte Automatic Electric Incorporated Pulse monitor circuit for use as a fan speed monitor

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