000
00281nam a2200109Ia 4500
008
220201s1971 xx 000 0 eng d
100
_a
I S 1592 1970
245
0
_a
IS SPECIFICATION FOR ASBESTOR CEMENTS PRESSURE PIPES
260
_a
DELHI
_b
I S I
_c
1971
300
_a
12
942
_2
ddc
999
_c
89155
_d
89155