Title:
Cap
United States Patent 2501760
US Patent References:
/0691623.html
- - 0691623


Inventors:
Helge, Dahlstedt Fyr
Publication Date:
03/28/1950
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Assignee:
Helge, Dahlstedt Fyr
Primary Class:
2/172
Other Classes:
267/164
International Classes:
A42B1/06; A42B1/04
Foreign References:
FR343103A