CA657053A - Derricks - Google Patents

Derricks

Info

Publication number
CA657053A
CA657053A CA657053A CA657053DA CA657053A CA 657053 A CA657053 A CA 657053A CA 657053 A CA657053 A CA 657053A CA 657053D A CA657053D A CA 657053DA CA 657053 A CA657053 A CA 657053A
Authority
CA
Canada
Prior art keywords
derricks
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.)
Expired
Application number
CA657053A
Inventor
J. Troche Herman
H. Eckels George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOLAN CORP
Original Assignee
HOLAN CORP
Publication date
Application granted granted Critical
Publication of CA657053A publication Critical patent/CA657053A/en
Expired legal-status Critical Current

Links

CA657053A Derricks Expired CA657053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA657053T

Publications (1)

Publication Number Publication Date
CA657053A true CA657053A (en) 1963-02-05

Family

ID=35950393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA657053A Expired CA657053A (en) Derricks

Country Status (1)

Country Link
CA (1) CA657053A (en)

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