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Medical injecting apparatus
US 2,564,977 A
Filed
: 01/19/1949
Issued
: 08/21/1951
Est. Priority Date
: 01/19/1949
Status: Expired due to Term
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Current Assignee
Hsi H.U. Quang
Original Assignee
Hsi H.U. Quang
Inventors
HSI HU QUANG
Application Number
US03/071,600
Time in Patent Office
944 Days
Field of Search
US Class Current
604/32
CPC Class Codes
A61M 2025/0031
characterized by lumina for...
A61M 25/0028
characterized by features r...
A61M 25/0032
characterized by at least o...
A61M 5/1582
Double lumen needles
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