000 00239nam a2200073 4500
080 _a
_b
245 _aIS: 3601 - 1966 :Specification for Steel Tubes for Mechanical and General Engineering Purposes
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1966
300 _a31p
999 _c25619
_d25619