配方类型：	MISCELLANEOUS
配方说明：	Porous Battery Separator (U.S. Patent 2,700,692)
配方组成：	"Cellosolve" Acetate/150 Vinyl chloride-Acetate Copolymer/150 Sodium Chloride/1700 Phenol-Furfural Resin/50
配制方法：	Mix; form into sheets; leach in warm water to remove the salt and dry.

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