CH79991A - Elektrisch geschweißter und verwundener Bohrer - Google Patents

Elektrisch geschweißter und verwundener Bohrer

Info

Publication number
CH79991A
CH79991A CH79991A CH79991DA CH79991A CH 79991 A CH79991 A CH 79991A CH 79991 A CH79991 A CH 79991A CH 79991D A CH79991D A CH 79991DA CH 79991 A CH79991 A CH 79991A
Authority
CH
Switzerland
Prior art keywords
electrically welded
twisted drill
drill
twisted
welded
Prior art date
Application number
CH79991A
Other languages
English (en)
Inventor
Stock Co Spiralbohrer Werkze R
Original Assignee
Stock & Co Spiralbohrer Werkze
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 Stock & Co Spiralbohrer Werkze filed Critical Stock & Co Spiralbohrer Werkze
Publication of CH79991A publication Critical patent/CH79991A/de

Links

CH79991A 1918-06-03 1918-06-03 Elektrisch geschweißter und verwundener Bohrer CH79991A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH79991T 1918-06-03

Publications (1)

Publication Number Publication Date
CH79991A true CH79991A (de) 1919-01-16

Family

ID=4333590

Family Applications (1)

Application Number Title Priority Date Filing Date
CH79991A CH79991A (de) 1918-06-03 1918-06-03 Elektrisch geschweißter und verwundener Bohrer

Country Status (1)

Country Link
CH (1) CH79991A (de)

Similar Documents

Publication Publication Date Title
CH79991A (de) Elektrisch geschweißter und verwundener Bohrer
CH80607A (de) Elektrisches Widerstandselement
CH78170A (de) Wellenbinder
FR489348A (fr) Construction
CH79837A (de) Bohrvorrichtung
FR496225A (fr) Chantier de construction et de réparation de bateaux
CH80405A (de) Sprengvorrichtung
FR503393A (fr) Mandrin porte-foret
CH80260A (de) Handbohrapparat
FR497053A (fr) Inclinomètre
FR489850A (fr) Bouteille isolante
CH80067A (de) Einrichtung zum Ausnützen der Heizkraft von Rauchgasen
CH79251A (de) Mast
CH78158A (de) Isolator
FR499439A (fr) Nouvel explosif
DK27922C (da) Buelyselektrode.
FR493145A (fr) Bruleur à hydrocarbures
CH78163A (de) Gassparer
CH80650A (de) Wellenbinder
FR491917A (fr) Échelle double
FR520094A (fr) Bruleurs chalumeaux
CH82336A (de) Hochspannungswiderstand
ES70909A1 (es) Perfeccionamientos en los electrodos de los hornos eléctricos.
CH78387A (de) Insektenzange
FR496757A (fr) Explosif