HG/T 20592  法兰 PL 300(B)-16 RF4655

PL 300(B)-16 RF4655

bl 150-10rf15a=60° wn5

PL50B-6RF

WN 3"-600 RF Sch80S

DN150-PN63 PL RF Ⅱ

SO 1205(B)-6 RF ScRF@443RF2@FII HG/0H0-40 Sch80SF 0F�pam0@RF0@RF RF1655J

WN 300(B)-63 RF S=10 SC

DN80-PN100 PL RF Ⅱ

WN 100(B)-25 FM S=8

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