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Essence for preparing aromatic tire, rubber composition and preparation method thereof
Water surface garbage cleaning device based on water ecological restoration
Biodegradable butenediol-based polyester elastomer tread rubber and preparation method thereof
Modified phenolic resin, preparation method thereof and rubber composition
Dustproof heat dissipation device based on new energy charging pile
Pure electric multifunctional train carriage leaking stoppage vehicle
COMPOSITION FOR SURFACE TREATMENT OF FIBERS AND FIBER TREATMENT METHOD
Automatic control and emergency treatment system and method for liquid propellant filling
Composition for preparing tread, rubber material, preparation method of rubber material and tire
Composition, rubber compound, preparation method of rubber compound and tire
Environment-friendly dust falling structure for civil construction site
Method of ship ice resistance model experiment based on non-refrigerated model ice
Off-the-road tire tread rubber composition and production method thereof
Positioning detection device for subway power supply installation
Rapid and uniform unmanned aerial vehicle fertilization device for rice planting