000 00221nam a2200073 4500
080 _a
_b
245 _aIS: 9604 - 1980; Specification for Tungsten-Inert Gas (TIG) Welding Equipment
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1980
300 _a7p
999 _c29162
_d29162