NB/T 47065.1  支座 BⅠ 6689

bi 6689

WN40-600 RF SCH80Sr S=10��f0

WN 12"-150 RF Sch80S S=10

SP-4834

SP-7189

3 B3886

BL 100-160 RJ6RFf schmh6 RF�RF5–

2 A6585

WN16"-150 RF S=6 B=79460RF2

bii 358580°1.0HGFFJj@5M)092ch40110 RF@40 GR RF S=146DFHG206@0 RF Sch160pam