00632cam a2200217 4500001001300000003000400013005001700017008004100034010001700075025002000092040001800112050001600130082001500146110004300161245005300204260007300257300002300330350001600353650002800369999001700397sa 68015970 DLC20260227112651.0700630m19679999ii a 000 0 eng  asa 68015970  aPL480:I-E-10444 aDLCcDLCdDLC00aTA368b.W3800a624/.021/21 aWest Bengal.bPublic Works Department.10aPublic Works Department standard specifications. aAlipore,bSuperintendent, Govt. Print., West Bengal Govt. Press,c19 av.billus.c25 cm. a2.50 (v. 2) 0aStandards, Engineering. c86845d86845