CH63578A - Device for the production of black lead - Google Patents

Device for the production of black lead

Info

Publication number
CH63578A
CH63578A CH63578A CH63578DA CH63578A CH 63578 A CH63578 A CH 63578A CH 63578 A CH63578 A CH 63578A CH 63578D A CH63578D A CH 63578DA CH 63578 A CH63578 A CH 63578A
Authority
CH
Switzerland
Prior art keywords
production
black lead
black
lead
Prior art date
Application number
CH63578A
Other languages
German (de)
Inventor
Soehne Lindgens
G M B H Bergmann Simons
Original Assignee
Lindgens & Soehne
Bergmann & Simons G M B H
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 Lindgens & Soehne, Bergmann & Simons G M B H filed Critical Lindgens & Soehne
Publication of CH63578A publication Critical patent/CH63578A/en

Links

CH63578A 1913-02-20 1913-02-20 Device for the production of black lead CH63578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH63578T 1913-02-20

Publications (1)

Publication Number Publication Date
CH63578A true CH63578A (en) 1914-02-02

Family

ID=4308309

Family Applications (1)

Application Number Title Priority Date Filing Date
CH63578A CH63578A (en) 1913-02-20 1913-02-20 Device for the production of black lead

Country Status (1)

Country Link
CH (1) CH63578A (en)

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