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| LEADER |
00806nam a2200205 a 4500 |
| 001 |
312552.2.f |
| 003 |
arsfunl |
| 008 |
200806s 1972USA 000 0 eng d |
| 040 |
# |
# |
|a HIG
|
| 080 |
# |
# |
|a 628.39
|
| 110 |
2 |
# |
|a American National Standards Institute
|
| 245 |
1 |
0 |
|a American National Standard efficiency testing of air-cleaning systems containing devices for removal of particles
|c sponsored by American Institute of Chemical Engineers
|
| 260 |
# |
# |
|a New York :
|b American Institute of Chemical Engineers
|c 1972
|
| 300 |
# |
# |
|a 9 p.
|b il.
|c 28 cm.
|
| 500 |
# |
# |
|a ANSI N101.4-1972 ; approved november 28, 1972
|
| 653 |
1 |
# |
|a Aire-contaminación
|
| 653 |
1 |
# |
|a Aire-filtración
|
| 710 |
2 |
# |
|a American Institute of Chemical Engineers
|
| 710 |
2 |
# |
|a American National Standards Institute
|
| 090 |
|
|
|a Hemeroteca Orden 2
|b -
|d -
|i 90959
|u 2
|