Authority heading: | Portland-Zementwerke Heidelberg |
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GND: | 2017925-X |
PPN (SWB): | 101950950 |
References: | Portland-Zementwerke Heidelberg AG Heidelberger Zement <Portland-Zementwerke Heidelberg> |
Earlier name: | Portland-Cementwerke Heidelberg-Mannheim-Stuttgart |
Later name: | Heidelberger Zement-Aktiengesellschaft |