E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
E04G 21/00 (2006.01) E04B 1/35 (2006.01) E04G 11/06 (2006.01) E04G 21/14 (2006.01)
Patent
CA 2574011
A lift system for lift-up wall structures of which is activated by a mechanical winch to be generally operated by an electric or petrol engine, or chain saw.
Na
Normand Stephane
LandOfFree
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