SE123006C1 - - Google Patents

Info

Publication number
SE123006C1
SE123006C1 SE123006DA SE123006C1 SE 123006 C1 SE123006 C1 SE 123006C1 SE 123006D A SE123006D A SE 123006DA SE 123006 C1 SE123006 C1 SE 123006C1
Authority
SE
Sweden
Prior art keywords
ruler
board
coating
heads
chalk
Prior art date
Application number
Other languages
English (en)
Swedish (sv)
Publication date
Publication of SE123006C1 publication Critical patent/SE123006C1/sv

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
SE123006D SE123006C1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE123006T

Publications (1)

Publication Number Publication Date
SE123006C1 true SE123006C1 (OSRAM) 1948-01-01

Family

ID=41922141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE123006D SE123006C1 (OSRAM)

Country Status (1)

Country Link
SE (1) SE123006C1 (OSRAM)

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