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origin:
beijing
origin: beijing
item no.:
a- 268
item no.: a- 268
material:
colored steel
material: colored steel
brand:
de yin treatment
brand: de yin treatment
specifications:
950
specifications: 950
purpose:
sound absorption noise reduction sound insulation fire insulation
purpose: sound absorption noise reduction sound insulation fire insulation
compressive strength:
wall
compressive strength: wall
whether cross-border export is exclusively available:
no
whether cross-border export is exclusively available: no
installation method:
letter mouth assembly
installation method: letter mouth assembly
sound absorption coefficient:
0.95
sound absorption coefficient: 0.95
sound insulation effect:
45 db
sound insulation effect: 45 db
Update time：20251107151605
