| 000 -LEADER |
|---|
| fixed length control field |
00287pam a2200109a 44500 |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER |
|---|
| Classification number |
TR |
| Item number |
RI-9377 |
| 100 ## - MAIN ENTRY--PERSONAL NAME |
|---|
| Personal name |
E. K. Hjelmstad |
| 245 1# - TITLE STATEMENT |
|---|
| Title |
Ultra loue frequency electromagnetic fire alarm system for underground mines |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. |
|---|
| Place of publication, distribution, etc. |
|
| Name of publisher, distributor, etc. |
|
| Date of publication, distribution, etc. |
|
| 700 ## - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
H. W. Pomroy |
| 997 ## - |
|---|
| -- |
TR6759 C |
