@book{Nielsen+2023, url = {https://doi.org/10.3790/9783428452156}, title = {Grundfragen einer Reform des deutschen Gebrauchsmusterrechts}, title = {}, author = {Ferdinand Nielsen}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428452156}, isbn = {9783428452156}, year = {1982}, lastchecked = {2023} }