000 00286nam a2200085Ia 4500
008 180131b1978 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _aIndian Standards Institution
245 _aIs: 6875 (Part I) - 1973 (Incorporating Amendment No.1); Specification For Control Switches (Switchi
260 _a
_bBIS
_c1978
999 _c49762
_d49762