HUMAN BIRTH CONTROL APPLIANCE
United States Patent 3536066

Inventors:
Ludwig, Reginald O.
Publication Date:
10/27/1970
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Assignee:
Reginald, Ludwig O.
Primary Class:
128/830
Other Classes:
604/347, 128/846, 128/842, 128/844
International Classes:
A61F6/06; A61F6/04; A61F6/00; A61F5/42




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