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22689.0-89

po po
- po
.

   
   2009-04-15
   2009-05-01
   1989-10-01
    a .
   Polyethylene waste-pipes and fittings. General specifications
    po a , a , aa a po 60 . ( 1 ) 95 .
 22689.0-89 22689.0-89