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| 0000081061-21-000037.txt | 2021-08-02 14:30:29 | |
 0000081061-21-000037-xbrl.zip | 188975 | 2021-08-02 14:30:29 |
| a2q2021exhibit311.htm | 8831 | 2021-08-02 14:30:29 |
| a2q2021exhibit312.htm | 8810 | 2021-08-02 14:30:29 |
| a2q2021exhibit321.htm | 4476 | 2021-08-02 14:30:29 |
| a2q2021exhibit322.htm | 4480 | 2021-08-02 14:30:29 |
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| ck0000081061-20210626.xsd | 23649 | 2021-08-02 14:30:29 |
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| Financial_Report.xlsx | 45596 | 2021-08-02 14:30:29 |
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| R1.htm | 47519 | 2021-08-02 14:30:29 |
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| R8.htm | 45769 | 2021-08-02 14:30:29 |
| R9.htm | 13805 | 2021-08-02 14:30:29 |
| report.css | 2767 | 2021-08-02 14:30:29 |
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