Construction of hollow articles in reinforced concrete
United States Patent 2427604
US Patent References:
/1258175.html
- - 1258175

/1342408.html
- - 1342408

Reinforced-concrete-ship mold
- - 1345013

Construction of concrete ships
- - 1356064


Inventors:
Alfred, Holter
Publication Date:
09/16/1947
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Assignee:
Alfred, Holter
Primary Class:
264/277
Other Classes:
29/430, 264/308, 114/65A
International Classes:
B63B3/04; B63B5/16; B63B9/06; B63B3/00; B63B5/00; B63B9/00
Foreign References:
GB115664A