CH3213A - Verbesserung an Kohlenwalzen-Mikrophonen - Google Patents

Verbesserung an Kohlenwalzen-Mikrophonen

Info

Publication number
CH3213A
CH3213A CH3213A CH3213DA CH3213A CH 3213 A CH3213 A CH 3213A CH 3213 A CH3213 A CH 3213A CH 3213D A CH3213D A CH 3213DA CH 3213 A CH3213 A CH 3213A
Authority
CH
Switzerland
Prior art keywords
microphones
improvement
coal roller
coal
roller
Prior art date
Application number
CH3213A
Other languages
English (en)
Inventor
Caesar Vogt
Original Assignee
Caesar Vogt
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 Caesar Vogt filed Critical Caesar Vogt
Publication of CH3213A publication Critical patent/CH3213A/de

Links

CH3213A 1891-04-08 1891-04-08 Verbesserung an Kohlenwalzen-Mikrophonen CH3213A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3213T 1891-04-08

Publications (1)

Publication Number Publication Date
CH3213A true CH3213A (de) 1891-07-15

Family

ID=4184344

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3213A CH3213A (de) 1891-04-08 1891-04-08 Verbesserung an Kohlenwalzen-Mikrophonen

Country Status (1)

Country Link
CH (1) CH3213A (de)

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