Indian standard (IS 875: 1987)
Indian standard (IS 875: 1987)
- New Delhi, Bureau of Indian Standard 1989
- 37+18+58+8+18
8091
1350
690 / IND-I
8091
1350
690 / IND-I
Kashmere Gate Campus,Lothian Road, Kashmere Gate,Delhi-110006
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