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| 005 | 20190814161232.0 | ||
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| 008 | 190702s xxu||||| |||| 00| 0 d | ||
| 100 | 1 | _aKeller, Karlheinz | |
| 245 | 0 | 0 | _aITAPIS, a Documentation System on Patents for Photographic Chemistry, Materials and Processes |
| 650 |
_aITAPIS _92196 |
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| 650 |
_aPatentwesen _93556 |
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| 650 |
_aDokumentation _9829 |
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| 650 |
_aPatentdokumentation _93575 |
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| 650 |
_aPatentsammlung _93514 |
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| 650 |
_aFotografie _93634 |
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| 773 | 0 |
_aWPI. 1(1979),1,24-29. _wz_WPI |
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_c8522 _d8522 |
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