Manual of patent classification : (Gruppeneinteilung der Patentklassen) /
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| Format: | Book |
| Language: | English |
| Published: |
Jerusalem :
Israel Program for Scientific Translations,
1963.
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| Edition: | 7th ed. |
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| Item Description: | "Published for the U.S. Dept. of Commerce and the National Science Foundation, Washington, D.C.". |
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| Physical Description: | 1v. (various pagings) ; 28 cm. |