MITSUBOSHI橡胶同步带T20型日本MITSUBOSHI.MBL同步带.MITSUBOSHI三角带.MITSUBOSHI平皮带.MITSUBOSHI同步带轮MITSUBOSHI输送带MITSUBOSHIPU同步带MITSUBOSHI龙带规格节线长齿数T20×12201220.0061T20×12401240.0062T20×12601260.0063T20×12801280.0064T20×13201320.0066T20×14601460.0073T20×16801680.0084T20×17001700.0085T20×17601760.0088T20×17801780.0089T20×18801880.0094T20×22002200.00110T20×22402240.00112T20×26002600.00130T20×27202720.00136T20×27602760.00138T20×31003100.00155T20×36203620.00181T20×47604760.00238)