000 00216nam a2200073 4500
080 _a
_b
245 _aIS: 5901 - 1970 Reaffirmed 1987; Specification for thermograph, Bimetallic
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1971
300 _a8p
999 _c34566
_d34566