A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A system is provided that includes a downspout upper and lower section whereby the lower section selectively pivots from a substantially vertical to horizontal position.
A system is provided that includes a downspout upper and lower section whereby the lower section selectively pivots from a substantially vertical to horizontal position.
Downspout Water System
ELLIS WILLIAM JOHN (author)
2017-03-23
Patent
Electronic Resource
English
IPC:
E04D
ROOF COVERINGS
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Dacheindeckungen