INDIAN STANDARD PREFERRED NUMBERS : PART 3 GUIDE TO THE CHOISE OF SERIES OF PREFERRED NUMBERS AND OF
BUREAU OF INDIAN STA
INDIAN STANDARD PREFERRED NUMBERS : PART 3 GUIDE TO THE CHOISE OF SERIES OF PREFERRED NUMBERS AND OF - 2nd rev. ed. 1985 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 9
PREFERRED NUMBERS
621 / BUR
INDIAN STANDARD PREFERRED NUMBERS : PART 3 GUIDE TO THE CHOISE OF SERIES OF PREFERRED NUMBERS AND OF - 2nd rev. ed. 1985 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 9
PREFERRED NUMBERS
621 / BUR