机读格式显示(MARC)

• 000 00751nam 22002055a 45

• 000 1000092795

• 001 0000316207

• 008 070528s1956 nyua b 000 0 eng d

• 010 __ |a 56012765

• 020 __ |c CNY2.60

• 040 __ |a CAU |c CAU

• 090 __ |a 621.34/EN33

• 110 2_ |a Radio-Electronics-Television Manufacturers Association.

• 245 10 |a Proceedings of the retma symposium on reliable applications of electron tubes : |b university of pennsylvania, Phiadelphia, Pennsylvania May 21 and 22, 1956.

• 260 __ |a New York : |b Radio-Electronics-Television Manufacturers Association, |c 1956.

• 300 __ |a 103 p. : |b ill. ; |c 27 cm.

• 504 __ |a Includes bibliographical references.

• 901 __HSW200707637

• 905 __ |a CAU |f 621.34/En33

• 907 __ |a CAU |f 621.34/En3