ICS01.100.20.I04中华人民共和国国家标准GB/T4458.1-2002代替GB/T4458.1一1984机械制图图样画法视图Mechanicaldrawings-Generalprinciplesofpresentation-Views(ISO128-34:2001，Technicaldrawings-Generalprinciplesofpresenta...

Ks01.100.20J04中华人民共和国国家标准GB/T4458.6-2002代替GB/T4458.1--1984机械制图图样画法剖视图和断面图Mechnicaldrawings-Generalprinciplesofpresentation-Sections(ISO128-44:2000，Technicaldrawings-Generalprinciplesofpr...