
CALCULATION OF LOAD CAPACITY OF SPUR AND HELICAL GEARS - PART 1: BASIC PRINCIPLES, INTRODUCTION AND GENERAL INFLUENCE FACTORS
出版:International Organization for Standardization

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CALCULATION OF LOAD CAPACITY OF SPUR AND HELICAL GEARS - PART 1: BASIC PRINCIPLES, INTRODUCTION AND GENERAL INFLUENCE FACTORS
出版:International Organization for Standardization
专家解读视频