DE86632C - - Google Patents

Info

Publication number
DE86632C
DE86632C DENDAT86632D DE86632DA DE86632C DE 86632 C DE86632 C DE 86632C DE NDAT86632 D DENDAT86632 D DE NDAT86632D DE 86632D A DE86632D A DE 86632DA DE 86632 C DE86632 C DE 86632C
Authority
DE
Germany
Prior art keywords
glass
cryolite
emery
quartz
additives
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
DENDAT86632D
Other languages
German (de)
English (en)
Publication of DE86632C publication Critical patent/DE86632C/de
Active 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
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
DENDAT86632D Active DE86632C (Direct)

Publications (1)

Publication Number Publication Date
DE86632C true DE86632C (Direct)

Family

ID=358671

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT86632D Active DE86632C (Direct)

Country Status (1)

Country Link
DE (1) DE86632C (Direct)

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