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Nondestructive testing, liquid penetrant : programmed instruction handbook.

Nondestructive testing, liquid penetrant : programmed instruction handbook. - 4th ed. - [San Diego, Calif.] : General Dynamics, Convair Division, c1977. - 321 p. in various pagings : ill. ; 26 cm.

Pages numbered in opposite directions. "PI-4-2."


Penetrant inspection--Programmed instruction.

620.1127

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