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| 0001193125-10-099369-index.html | 2010-04-29 16:17:48 | |
| 0001193125-10-099369.txt | 2010-04-29 16:17:48 | |
 0001193125-10-099369-xbrl.zip | 51602 | 2010-04-29 16:17:48 |
| d10q.htm | 510900 | 2010-04-29 16:17:48 |
| defnref.xml | 25543 | 2010-04-29 16:17:48 |
| dex311.htm | 6661 | 2010-04-29 16:17:48 |
| dex312.htm | 6624 | 2010-04-29 16:17:48 |
| dex321.htm | 4544 | 2010-04-29 16:17:48 |
| dex322.htm | 4487 | 2010-04-29 16:17:48 |
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| Financial_Report.xls | 95744 | 2010-04-29 16:17:48 |
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| gti-20100331.xml | 236999 | 2010-04-29 16:17:48 |
| gti-20100331.xsd | 15220 | 2010-04-29 16:17:48 |
| gti-20100331_cal.xml | 44627 | 2010-04-29 16:17:48 |
| gti-20100331_def.xml | 100663 | 2010-04-29 16:17:48 |
| gti-20100331_lab.xml | 102107 | 2010-04-29 16:17:48 |
| gti-20100331_pre.xml | 124458 | 2010-04-29 16:17:48 |
| R1.xml | 33707 | 2010-04-29 16:17:48 |
| R10.xml | 29124 | 2010-04-29 16:17:48 |
| R11.xml | 21296 | 2010-04-29 16:17:48 |
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| R18.xml | 7609 | 2010-04-29 16:17:48 |
| R19.xml | 10905 | 2010-04-29 16:17:48 |
| R2.xml | 118917 | 2010-04-29 16:17:48 |
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| R22.xml | 17793 | 2010-04-29 16:17:48 |
| R3.xml | 31101 | 2010-04-29 16:17:48 |
| R4.xml | 62957 | 2010-04-29 16:17:48 |
| R5.xml | 146519 | 2010-04-29 16:17:48 |
| R6.xml | 8245 | 2010-04-29 16:17:48 |
| R7.xml | 11403 | 2010-04-29 16:17:48 |
| R8.xml | 21643 | 2010-04-29 16:17:48 |
| R9.xml | 11244 | 2010-04-29 16:17:48 |