CH367614A -
Staircase with steps prefabricated as precast concrete parts
- Google Patents
Staircase with steps prefabricated as precast concrete parts
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Publication number
CH367614A
CH367614ACH6254958ACH6254958ACH367614ACH 367614 ACH367614 ACH 367614ACH 6254958 ACH6254958 ACH 6254958ACH 6254958 ACH6254958 ACH 6254958ACH 367614 ACH367614 ACH 367614A
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Publication date
Application filed by Buerkle KarlfiledCriticalBuerkle Karl
Publication of CH367614ApublicationCriticalpatent/CH367614A/en