配方类型：	PAPER
配方说明：	For Electrolytic Recording Paper
配方组成：	Thiourea/0.1 Catechol/5.0 Oxalic Acid/0.1 Sodium Dihydrogen Phosphate/0.1 Potassium Chlorate/5.0 Potassium Nitrate/5.0 Paper is impregnated with this mixture, drained, and dried carefully. NO.2 U.S. Patent 3,024,17 Sodium Chloride/400 Protocatechoic Acid/70 Water/100.0 Thiourea/20 Water/4000

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