Title:
Choledochoscope
United States Patent 2599662
US Patent References:
/0731496.html
- - 0731496

/1303135.html
- - 1303135


Inventors:
Rosenbaum, Randolph R.
Publication Date:
06/10/1952
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Assignee:
Rosenbaum, Randolph R.
Primary Class:
600/104
Other Classes:
600/138
International Classes:
A61B1/12; A61B1/313