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ແຖບສີ່ຫລ່ຽມ FRP/GRP

FRP/GRP Fiberglass pultruded ແຖບສີ່ຫລ່ຽມມຸມສາກ
FRP/GRP Fiberglass pultruded ແຖບສີ່ຫລ່ຽມມຸມສາກ