NBN E 26-004-1983 7500 《传送部件 长步伐的精确链，捆绑板和用于传送带和输送器的带链轮》.pdf

相关资源

NBN 697 F-1967 4375 《用于能量运输和与之相配的带齿轮胎的滚子钢链，简单和复杂链，短距链》.pdf

NBN E 26-004-1976 4375 《长步伐的精确链，捆绑板和用于传送带和输送器的带链齿轮》.pdf

NBN-EN 27182-1992 2500 《声音 耳测链形锯条发出的响声》.pdf

NBN T 63-114-1980 3125 《表面活性剂 工业用链烷磺酸盐 链烷磺酸盐总含量的测定》.pdf

NBN E 26-008-1987 1875 《传送部件 带对接眼的咬合链，支架和送还饼》.pdf

NBN E 26-001-1976 5625 《传送部件 短步伐的精确链，捆绑板和用于传送的齿轮》.pdf

NBN E 26-001-1983 8125 《传送部件 短步伐的精确链，捆绑板和用于传送的带链轮》.pdf

NBN T 63-128-1980 1250 Surface active agents - Analysis of technical alkane sulphonates - Deermination of alkane monosulphonates content《表面活性剂 链烷磺酸盐的技术分析 链烷磺酸盐含量的测定》.pdf

NBN T 63-144-1988 7500 Surface active agents - Technical alkane sulfonates - Determination of alkane monosulfonates content by direct two-phase titration《表面活性剂 工业用链烷磺酸盐，链烷磺酸盐总含量的测定.pdf

猜你喜欢

ITU-R REPORT BO 809-3-1990 Inter-regional sharing of the 11 7 to 12 75 GHz frequency band between the broadcasting-satellite service and the fixed-satellite service《卫星广播业务和卫星固定业务在1.pdf

ITU-R REPORT BO 810-4-1994 Transmitting and receiving antenna technology and reference patterns for the BSS《基站子系统(BSS)的发射和接收天线技术及参考模式》.pdf

ITU-R REPORT BO 811-2-1986 Planning elements including those used in the establishment of plans of frequency assignements and orbital positions for the broadcasting-satellite servi.pdf

ITU-R REPORT BO 812-4-1994 Computer programs for planning broadcasting-satellite services in the 12 GHz band《在12 GHz波段用于规划卫星广播业务的计算机程序》.pdf

ITU-R REPORT BO 814-2-1986 Factors to be considered in the choice of polarization for planning the broadcasting-satellite service《规划卫星广播业务的极化选择上所需考虑的因素》.pdf

ITU-R REPORT BO 952-2-1990 Technical characteristics of feeder links to broadcasting satellites《广播卫星馈线链路的技术特点》.pdf

ITU-R REPORT BO 953-2-1990 DIGITAL CODING FOR THE EMISSION OF HIGH-QUALITY SOUND SIGNALS IN SATELLITE BROADCASTING (15 kHz NOMINAL BANDWIDTH)《用于卫星广播(15kHz正常频带宽度)中高质量声音信号发射的数字编码》.pdf

ITU-R REPORT BO 954-2-1990 Multiplexing methods for the emission of several digital audio signals and also data signals in broadcasting《用于广播中的数字音频信号和数据信号发射的多路复用方法》.pdf

ITU-R REPORT BS 1058-1986 Minimum AF and RF signal-to-noise ratio required for broadcasting in band 7 (HF)《第七波段(高频)广播所需的最小音频(AF)和射频(RF)信噪比》.pdf