Ship's cargo boom with pendulum purchase block fitting
United States Patent 3236390
US Patent References:
Cargo rig
3107790

Cargo boom
3042222

Loading devices of ships
2914193


Inventors:
Johannes, Sprengel Heinz Ferdin
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Publication Date:
02/22/1966
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Assignee:
Stulcken, Sohn H. C.
Primary Class:
212/310
International Classes:
B63B27/04; B66C23/60; B63B27/00; B66C23/00
Foreign References:
DE937992C