Home / Standards / GB/T 17453-2005 GB/T 17453-2005 Active Technical drawings-General principles of presentation-Part 50:Basic conventions for representing areas on cuts and sections 技术制图 图样画法 剖面区域的表示法 Standard Type GBT ICS 01.100.01 CCS J04 Status 现行 Issue Date 2005-07-01 Implementation 2005-12-01 Responsible Dept 国家标准委 Drafting Unit N/A