机读格式显示(MARC)

• 000 00803nam a2200217 a 4500

• 001 0000580882

• 005 20191027144000.0

• 008 770819s1959 nyua 000 0 eng

• 010 __ |a 60010509

• 040 __ |a DLC |c OCP |d CU-S

• 090 __ |a TN11/MGH

• 093 __ |a TN11 |2 4

• 094 __ |a 73.61/W223

• 099 __ |a CAL 022003117863

• 110 2_ |a McGraw-Hill Book Company, inc. |b Technical Writing Service.

• 245 10 |a Electron tube life factors / |c Prepared for U.S. Army Signal Research and Development Laboratory, Fort Monmouth, N.J.

• 260 __ |a New York : |b Electronic components research department, |c 1959.

• 300 __ |a vii, 173 p. : |b diagrs., tables. ; |c 29 cm.

• 650 _0 |a Electron tubes.

• 710 1_ |a United States. |b Army Signal Research and Development Laboratory, Fort Monmouth, N.J.

• 920 __ |a 211180 |z 1