용접, 브레이징 및 솔더링 접합부 — 도면에서 기호 표시
焊接、铜焊和钎焊接头.图纸上的符号表示法
2023-07-28
GOST 21547-1976
Пайка. Метод определения температуры распайки
钎焊和焊接 确定密封温度的方法
UNE-EN 22553-1995
WELDED, BRAZED AND SOLDERED JOINTS. SYMBOLIC REPRESENTATION ON DRAWING. (ISO 2553:1992).
焊接、钎焊和焊接接头 图形上的符号表示 (ISO 2553-1992)
1995-09-13
DIN EN 22553
Welded, brazed and soldered joints - Symbolic representation on drawings (ISO 2553:1992); German version EN 22553:1994
焊接、钎焊和焊接接头.图纸上的符号表示法(ISO 2553-1992);德文版EN 22553:1994