DE135689C - - Google Patents
Info
Publication number
DE135689C
DE135689C
DENDAT135689D
DE135689DA
DE135689C
DE 135689 C
DE135689 C
DE 135689C
DE NDAT135689 D
DENDAT135689 D
DE NDAT135689D
DE 135689D A
DE135689D A
DE 135689DA
DE 135689 C
DE135689 C
DE 135689C
Authority
DE
Germany
Prior art keywords
negaunee
maas
sinking shafts
george joseph
joseph
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT135689D
Other languages
German (de )
Publication of DE135689C
publication
Critical
patent/DE135689C/de
Status
Active
legal-status
Critical
Current
Links
Classifications
E —FIXED CONSTRUCTIONS
E21 —EARTH OR ROCK DRILLING; MINING
E21D —SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D1/00 —Sinking shafts
E21D1/08 —Sinking shafts while moving the lining downwards
Landscapes
Engineering & Computer Science
(AREA )
Mining & Mineral Resources
(AREA )
Mechanical Engineering
(AREA )
Life Sciences & Earth Sciences
(AREA )
General Life Sciences & Earth Sciences
(AREA )
Geochemistry & Mineralogy
(AREA )
Geology
(AREA )
Other Liquid Machine Or Engine Such As Wave Power Use
(AREA )
Claims (1 )
GEORGE JOSEPH MAAS in NEGAUNEE (V. St. A Vorrichtung zum Abteufen von Schächten. GEORGE JOSEPH MAAS in NEGAUNEE (V. St. A Device for sinking shafts.
Family
ID=403713
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
DENDAT135689D
Active
DE135689C
(en )
Country Status (1)