英文名称: Collagen From H; Collagen Type I From Rat Tail; Collagen, Type V, Human Placenta; Collagen, Type Ii, Mouse Sternum Cartilage; Collagen, Type Ii, Bovine Joint Cartilage; Collagen Type I From Calf Skin; Collagen, Type Iv, Human Placenta; Collagen Type Iv From Human Placenta; Collagen Calf Skin; Collagens Polypeptide; Collagens Polypeptide