PNRI CPR PART 11, July 09, 1990
LICENSES FOR INDUSTRIAL RADIOGRAPHY AND RADIATION SAFETY REQUIREMENTS FOR RADIOGRAPHIC OPERATIONS
National Administrative Register July 9, 1990
Adopted: 9 Jul. 1990
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(Sgd.) QUIRINO O. NAVARRO
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(Sgd.) CEFERINO L. FOLLOSCO
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Director, PNRI
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Secretary, DOST
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* Text available upon request at the Office of the National Administrative Register (ONAR), U.P. Law Center, Diliman, Quezon City