661.894 / EL24
Eldred, Earl J.
US Patent
/
.- Washington, D. C.: U. S. Department of Commerce, 1954
.- 3 .
Patent No. 2, 673, 880
Subject Headings:
Patents -- U. S;
Amino Hydroxy Compounds -- Patents -- U. S;
Copy Details:
Acc. No.: A20409, Full Call No.: 661.894 EL24, Item type: Written-off , Location: ,
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