000
00223nam a2200073 4500
080
_a
_b
245
_a
IS: 2305 - 1980; method for mercurous nitrate test for copper and copper alloys
700
_a
INDIAN STANDARDS INSTITUTION
260
_a
New Delhi
_b
BIS
_c
1963
300
_a
5p
999
_c
27953
_d
27953