GB/T 12459  弯头 DN 80-Ⅱ-Sch10S90EL6vbRF�@RF

DN 80-Ⅱ-Sch10S 90EL6vbRF�@RF

WN 100(B)-16 RF S=2.530.72a5 RJ0SM.5½F4@RF1frfRF@4

PL 20(B)-63 RF

SW 50(A)-10 RF

PL 15-16 RF b=0

DN100/PN10/05B Ra

WN 600-600 RF1fFh4006R=2g5

WN 200-25 RF0 R1RF@40040&@В°5 FF-f0-R rfu00cï؟½5 RJFl470217.31.680

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