IS 7545 : 1975 Specification for Optical Bench (Advanced Type)
UDC 535.07 | PGD 22 |
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Reaffirmed 2019 |
1 Scope
1.1 This standard covers the general and functional requirementsof advanced type optical bench.
2 References
IS 2 : 1960 Rules for rounding off numerical values
IS 919 : 1963 Recommendations for limits and fitsfor engineering