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classificationCode:"ipc:c08l"
High-strength life buoy and preparation method thereof
Rigid foam plastic life buoy and preparation method thereof
Flame-retardant life buoy and preparation method thereof
Life jacket with pearl wool inner core and preparation method of inner core of life jacket
Life jacket with flame-retardant inner core, and preparation method of inner core of life jacket
Life jacket with high-toughness inner core and preparation method of inner core of life jacket
Polyvinyl chloride foamed life buoy and preparation method thereof