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| primary sources (Published and unpublished records without secondary interpretation or commentary); master copy (An original document, recording, film, etc., from which copies can be made); original (The source document from which copies are made) | |||
| original document; original | |||
| master book | |||
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| original documents | |||
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document original : 2 短语, 2 学科 |
| 专利 | 1 |
| 法律 | 1 |