A two person mattress includes two sets of mattress elements.

The invention relates to a heat exchanger which includes prestamped metal plates (1, 2) assembled, by welding, two-by-two on two opposite sides thereof so as to form stacked modular elements defining two separate circuits for two fluids, respectively.

There is one solution - two states for two peoples, or one state for two peoples.

The DMRS for each of the two or more layers may be used for one user equipment or for two or more user equipments.

2 circuits to travel with amphibious vehicles, for 2 persons or 2 adults and 2 children

Two circuits to drive amphibious vehicles for 2 people or 2 adults and 2 children.

A double service door shall count as two doors and a double or multiple windows as two emergency windows.

A double service door shall count as two doors and a double or multiple window as two emergency windows.

The invention relates to a security device for two-wheeled vehicles, especially a blocking device preventing the vehicle from being driven away.

By providing separate driver circuits for two different current requirements, the circuits can be optimised for each function.

A double service door shall count as two doors and a double or multiple window as two emergency windows.

The chairperson shall be elected for two years

The reasons are the following

These two plans cannot therefore be used to make objective comparisons for two reasons

Two motors can be used to drive two wheels, or to tilt in two directions.