AT217401B - Schwerstange - Google Patents

Schwerstange

Info

Publication number
AT217401B
AT217401B AT159860A AT159860A AT217401B AT 217401 B AT217401 B AT 217401B AT 159860 A AT159860 A AT 159860A AT 159860 A AT159860 A AT 159860A AT 217401 B AT217401 B AT 217401B
Authority
AT
Austria
Prior art keywords
drill collar
drill
collar
Prior art date
Application number
AT159860A
Other languages
English (en)
Inventor
Fred K Fox
Original Assignee
Fred K Fox
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 Fred K Fox filed Critical Fred K Fox
Application granted granted Critical
Publication of AT217401B publication Critical patent/AT217401B/de

Links

AT159860A 1959-03-04 1960-03-01 Schwerstange AT217401B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US217401XA 1959-03-04 1959-03-04

Publications (1)

Publication Number Publication Date
AT217401B true AT217401B (de) 1961-10-10

Family

ID=21805870

Family Applications (1)

Application Number Title Priority Date Filing Date
AT159860A AT217401B (de) 1959-03-04 1960-03-01 Schwerstange

Country Status (1)

Country Link
AT (1) AT217401B (de)

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