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CH2497A - Concentration furnace - Google Patents

Concentration furnace

Info

Publication number
CH2497A
CH2497A CH2497A CH2497DA CH2497A CH 2497 A CH2497 A CH 2497A CH 2497 A CH2497 A CH 2497A CH 2497D A CH2497D A CH 2497DA CH 2497 A CH2497 A CH 2497A
Authority
CH
Switzerland
Prior art keywords
concentration furnace
furnace
concentration
Prior art date
Application number
CH2497A
Other languages
French (fr)
Inventor
Charles Negrier
Original Assignee
Charles Negrier
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 Charles Negrier filed Critical Charles Negrier
Publication of CH2497A publication Critical patent/CH2497A/en

Links

CH2497A 1890-07-02 1890-07-02 Concentration furnace CH2497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2497T 1890-07-02

Publications (1)

Publication Number Publication Date
CH2497A true CH2497A (en) 1890-11-15

Family

ID=4182691

Family Applications (1)

Application Number Title Priority Date Filing Date
CH2497A CH2497A (en) 1890-07-02 1890-07-02 Concentration furnace

Country Status (1)

Country Link
CH (1) CH2497A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668156GA3 (en) * 1986-10-31 1988-12-15 Watch with coaxial discs indicating hours and minutes - has reference marks corresp. to hands on two overlapping discs, each carrying portion of decorative picture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668156GA3 (en) * 1986-10-31 1988-12-15 Watch with coaxial discs indicating hours and minutes - has reference marks corresp. to hands on two overlapping discs, each carrying portion of decorative picture

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