GB/T 12459  弯头 DN 500-Sch14090EL

DN 500-Sch140 90EL

3-M500-1.0/42/104-D-平,

PL 40A)-40RF.6F d==80S3/u008/651552150h85m

pl600(b)-10 rf d=720 k=685 n

pl100-10ff d=203 k=178 aa=110

WN 250-16 RFRF20592-2000�40

WN 6"-900 RJ Sch2050.0S0F5-16RFS10

pl32(a)-16 rf b=3 d=78 آ à¸

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