Title:
PAVING STONE
United States Patent 3494266
US Patent References:
Paving block
- - 2605681

Road surfacing unit
- - 2919634


Inventors:
Baumberger, Werner
Publication Date:
02/10/1970
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Assignee:
Baumberger, Werner
Primary Class:
404/41
Other Classes:
404/42, 52/311.200
International Classes:
E01C5/00; E01C5/00
Foreign References:
GB706821A
DE1115281B
NL6513546A
IT352582B
CH343106A




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