Title:
Railroad-switch cleaner
United States Patent 1570191

Inventors:
Wyrembek, Theodor J.
Publication Date:
01/19/1926
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Assignee:
Wyrembek, Theodor J.
Primary Class:
37/207
Other Classes:
294/49, 15/105, 37/204
International Classes:
E01H8/12; E01H8/00