Index of patents issued from the United States Patent Office.
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| பà¯à®¤à®¿à®¯ தலைபà¯à®ªà¯à®•ளà¯: | Index of patents issued from the United States Patent and Trademark Office |
|---|---|
| கà¯à®´à¯à®® எழà¯à®¤à¯à®¤à®¾à®³à®°à¯: | |
| வடிவமà¯: | தொடர௠|
| மொழி: | English |
| வெளியீடபà¯à®ªà®Ÿà¯à®Ÿà®¤à¯: |
Washington :
The Office : For sale by the Supt. of Docs., U.S. G.P.O.,
1921-1974.
|
| பகà¯à®¤à®¿à®•ளà¯: | |
| கà¯à®±à®¿à®¯à¯€à®Ÿà¯à®•ளà¯: |
கà¯à®±à®¿à®šà¯à®šà¯Šà®²à¯ இணை
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|
3rd Floor Main Library
| அழைபà¯à®ªà¯ எணà¯: |
A1234.567 |
|---|---|
| பிரதி 1 | கிடைகà¯à®•கà¯à®•ூடிய |


