Title:
Gas administering
United States Patent 2042474
Inventors:
Mckesson, Martha F.
Publication Date:
06/02/1936
View Patent Images:
Export Citation:
Assignee:
Martha, Mckesson F.
Primary Class:
Other Classes:
128/204.130, 128/203.250, 128/205.230
International Classes:
A61M16/18; A61M16/10