Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Movably interconnected
Inventor
active
Counterbalance system for upward acting door
Counterbalance system for upward acting door
Hinge and improved hinge and panel surface geometry of a multi-p
Winding cone of an overhead door counterbalancing mechanism...
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Profile ID: LFUS-PAI-P-1624420