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- इसका हिस्सा Safety Light Collection, Records Related to Radium Dial Painters
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OCR Page 1 of 2STATE OF NEW YORK
DEPARTMENT OF LABOR
THOMAS J. O'BRIEN, M.D.
MEDICAL INSPECTOR
124 EAST 28TH STREET
DIVISION OF
NEW YORK CITY
INDUSTRIAL HYGIENE
TELEPHONE; MAD. sQ. 9500
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