عنوان
پدید آورنده
موضوع
رده
TJ 421 .A4
TJ
421
.
A4
کتابخانه
محل استقرار
43714
آخر۲۷
)70(
American Standards Association.
American standard graphical symbols for pipe fittings, valves, and piping
New York
Institution of Mechanical Engineers
1949
11 p. illus
American standard Association Z23.2.3-9491
، Pipe fittings-- Notation
، Valves-- Notation
، Plumping-- Notation
TJ
421
.
A4
AU
TI
TI Graphical symbols for pipe fittings, valves, and piping
SE
07
