E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/27
E21C 45/00 (2006.01) E02F 5/00 (2006.01)
Patent
CA 970399
Fleury Daniel J.
Gauthier Michel A.
Jegousse Michel J.
Tessier Marcel J.
Centre National Pour L'exploitation Des Oceans
Nickel (le)
LandOfFree
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