Title:
Method and apparatus for the manufacture of hollow bodies of reenforced concrete
United States Patent 2048253

Inventors:
Eugene, Freyssinet
Publication Date:
07/21/1936
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Assignee:
Eugene, Freyssinet
Primary Class:
264/71
Other Classes:
264/314, 52/223.300, 425/DIG.110, 425/128, 264/228, 425/432, 425/111
International Classes:
B28B23/12; B28B23/02