प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
Ground-effect machines
Hydrofoil boats
5
Periodicals
3
Boats and boating
2
Transportation
2
Aeronautics, Commercial
1
Congresses
1
Dynamics
1
Electric propulsion
1
Ferries
1
Law and legislation
1
Motor vehicles
1
Railroads
1
Shipbuilding
1
Systems engineering
1
Technological innovations
1
Trains
1
Urban transportation
1
-
1
-
2
-
3
-
4
-
5
-
6पुस्तकThe economics of invention and innovation : with a case study of the development of the hovercraft /द्वारा Johnson, P. S.
प्रकाशित 1975 -
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15