E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 29/14 (2006.01)
Patent
CA 2299838
A device for covering manholes and a separation device for removing manhole covers are provided. A setting mechanism having a lift element is provided for adjusting a cover portion.
Ebner Eugen
Schwarz Gottfried
Schwarz Walter
Ebner Eugen
Fetherstonhaugh & Co.
Schwarz Gottfried
Schwarz Walter
LandOfFree
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