Method of shifting irrigating pipe
United States Patent 2789009
Inventors:
Vincent, Maraccini
Publication Date:
04/16/1957
Assignee:
Vincent, Maraccini
Other Classes:
29/428, 239/266, 239/1, 405/43, 29/458, 29/890.140, 239/735, 52/741.100
International Classes:
A01G25/00; F16L1/024