Home / Standards / GB/T 17855-1999 GB/T 17855-1999 Abolished Calculation of load capacity of spline 花键承载能力计算方法 Standard Type GBT ICS 21.120.30 CCS J18 Status 废止 Issue Date 1999-09-03 Implementation 2000-03-01 Responsible Dept 国家标准委 Drafting Unit N/A