Non - impregnated densified laminated wood for electrical purposes - methods of test 电工用非浸渍的致密层压木板.试验方法
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Non - impregnated densified laminated wood for electrical purposes - specification for individual materials - rings produced from beech veneer - rings produced from beech veneer 电工用非浸渍致密层压木板.各种材料规范.由山毛榉薄片制成的环形制品