配方类型：	METALS AND THEIR TREATMENT
配方说明：	Powdered Metal Friction Element (U.S. Patent 2,783,529)
配方组成：	Add 2 to 8% powdered molybdenum oxide to the following Lead/3.3 Copper/78.9 Flake Graphite/8.9 Tin/8.9
配制方法：	These are used for brake linings and clutch facings to increase wear resistance.

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