CH1662A - Apparatus for hardening the inside of steel pipes - Google Patents

Apparatus for hardening the inside of steel pipes

Info

Publication number
CH1662A
CH1662A CH1662A CH1662DA CH1662A CH 1662 A CH1662 A CH 1662A CH 1662 A CH1662 A CH 1662A CH 1662D A CH1662D A CH 1662DA CH 1662 A CH1662 A CH 1662A
Authority
CH
Switzerland
Prior art keywords
hardening
steel pipes
pipes
steel
Prior art date
Application number
CH1662A
Other languages
German (de)
Inventor
Moritz Kramer
Original Assignee
Moritz Kramer
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 Moritz Kramer filed Critical Moritz Kramer
Publication of CH1662A publication Critical patent/CH1662A/en

Links

CH1662A 1889-11-29 1889-11-29 Apparatus for hardening the inside of steel pipes CH1662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1662T 1889-11-29

Publications (1)

Publication Number Publication Date
CH1662A true CH1662A (en) 1890-03-15

Family

ID=4180747

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1662A CH1662A (en) 1889-11-29 1889-11-29 Apparatus for hardening the inside of steel pipes

Country Status (1)

Country Link
CH (1) CH1662A (en)

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