launching ramps (general inclined planes)

Statements in which the resource exists as a object.
Subject	Predicate
aat_rev:5002061457, aat_rev:5002061461, aat_rev:5002061435, aat_rev:5002061450, aat_rev:5002061456, aat_rev:5002061460, aat_rev:5002061462, aat_rev:5002061463, aat_rev:5002061451, aat_rev:5002061452, aat_rev:5002061453, aat_rev:5004012190, aat_rev:5004012191	prov:used