CH41966A - Process for the production of carbon-free incandescent lamp filaments - Google Patents

Process for the production of carbon-free incandescent lamp filaments

Info

Publication number
CH41966A
CH41966A CH41966A CH41966DA CH41966A CH 41966 A CH41966 A CH 41966A CH 41966 A CH41966 A CH 41966A CH 41966D A CH41966D A CH 41966DA CH 41966 A CH41966 A CH 41966A
Authority
CH
Switzerland
Prior art keywords
carbon
production
incandescent lamp
lamp filaments
free
Prior art date
Application number
CH41966A
Other languages
German (de)
Inventor
Rigi Societe Anonyme
Original Assignee
Rigi Sa
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 Rigi Sa filed Critical Rigi Sa
Publication of CH41966A publication Critical patent/CH41966A/en

Links

CH41966A 1907-12-01 1907-12-01 Process for the production of carbon-free incandescent lamp filaments CH41966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH41966T 1907-12-01

Publications (1)

Publication Number Publication Date
CH41966A true CH41966A (en) 1908-12-16

Family

ID=4271570

Family Applications (1)

Application Number Title Priority Date Filing Date
CH41966A CH41966A (en) 1907-12-01 1907-12-01 Process for the production of carbon-free incandescent lamp filaments

Country Status (1)

Country Link
CH (1) CH41966A (en)

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