Prefabricated manhole
Prefabricated manhole, Total:2 items.
The international standard classification for "Prefabricated manhole" includes: Refractories .
The Chinese standard classification for "Prefabricated manhole" includes: Fireproof material in general .
Professional Standard - Building Materials
- JC/T 2241-2014 Prefabricated concrete manhole
- JC/T 2241-2025 Prefabricated concrete manhole
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