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Home › Coil apparatus mounted on an axially split spool for indicating wall thickness variations of a length of ferromagnetic pipe

Coil apparatus mounted on an axially split spool for indicating wall thickness variations of a length of ferromagnetic pipe

US Patent 4611170 · Granted Sep 9, 1986

Assignee

Pa

Inventors

Roderic K. Stanley (5 patents)
Marvin Milewits (12 patents)
Robert C. Knauer, Jr. (2 patents)
James E. Bradfield (7 patents)

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