DE 77h.11
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- Patents in this category
- Patent DE-1908-231537 (National tech categories: DE 77h.11 • DE 62b.36, Inventors: Carl Kropp)
- Patent DE-1909-241294 (National tech categories: DE 77h.11, Inventors: Martin Neubert)
- Patent DE-1907-237734 (National tech categories: DE 77h.11, Inventors: Hugo Hückel)
- Patent DE-1909-236190 (National tech categories: DE 77h.11, Inventors: Carl Kropp)
| Enclosing categories | DE 77h |
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