Apparatus for construction of concrete culverts
United States Patent 1964386

Inventors:
Toichi, Nose
Kamakura, Machi
Kamakura, Gun
Kanagawa, Ken
Publication Date:
06/26/1934
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Assignee:
Toichi, Nose
Kamakura, Machi
Kamakura, Gun
Kanagawa, Ken
Primary Class:
249/11
Other Classes:
249/183, 249/65