Companies holding certificates of authorization for use of code symbol stamps.
| Corporate Authors: | , |
|---|---|
| Format: | Serial |
| Language: | English |
| Published: |
New York.
[publisher not identified] ;
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| Subjects: | |
| Online Availability: |
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| Published: | 19 - ed. |
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| Physical Description: | volumes ; 29 cm. |
| ISSN: | 0363-2261 |