Title:
Grinding machine for injection needles
United States Patent 2215752

Inventors:
Hachiro, Enya
Publication Date:
09/24/1940
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Assignee:
Hachiro, Enya
Primary Class:
451/65
Other Classes:
451/242, 451/324, 451/232, 451/262, 451/278, 125/11.010, 451/342, 451/279, 451/231, 451/382, 451/263
International Classes:
B24B19/16; B24B19/00