Description
Manhole type A 4535
Hole L :450mm
Hole B : 350mm
Base Plate L1 : 480mm
Base Plate B1 : 380mm
Cover Plate L2 : 550mm
Cover Plate B2 : 450mm
Cover Plate L3 : 620mm
Cover Plate B3 : 520mm
No. Bolts : 20
Weight : 52.9Kg
Manhole type A
JIS F 2304-1989
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