Artificial blocks for the protection of hydraulic structures
United States Patent 3096621
US Patent References:
/0852578.html
- - 0852578

/0903300.html
- - 0903300

/0905596.html
- - 0905596

/0929728.html
- - 0929728

Artificial blocks for structures exposed to the action of moving water
- - 2766592


Inventors:
Francois, Danel Pierre
Publication Date:
07/09/1963
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Assignee:
Grenobloise, Etude Appl
Primary Class:
Other Classes:
405/30, D25/117, 52/437
International Classes:
E02B3/14
US Patent References:
Foreign References:
NL68488C
DE831675C
GB697072A
GB763795A