两端法兰式伸缩器 SQP-DN32,SSQP-DN40,.SSQP-DN50,SSQP-DN65,SSQP-DN80,SSQP-DN100,SSQP-DN125,
580
480
530
1820
40-54
40-48
10-48


1800
72
620
509
560
2020
44-54
44-48

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