NB/T 47065.1  支座 BⅡ 174

BⅡ 174

PL 500(B)-16 RF

WN 20-1500 RF S=4

WN 1/2"-150 RF Sch10S

47065.2 A4337

SP-3418R.5SCH80sch40-1 Sch8S=164B)-16 RF S=5223

WN 250(B)-25 RF S=8 HG/T20592

PL 40B)-16 RF

2 A5939

47065.4 B146796t;-600 RF Sch10SRJF0@RF6Sc���/tm�S@RF@41069��