000 00252nam a2200073 4500
080 _a
_b
245 _aIS: 3063 - 1972; Specification for Single coil Rectangular Section Spring Washers for Bolts, Nuts and Screws
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1972
300 _a3p
999 _c26607
_d26607