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Title:
【考案の名称】電子管
Document Type and Number:
Japanese Patent JPS58141549
Kind Code:
U
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Inventors:
Koichiro Yamamoto
Toshiyuki Seki
Takeo Nagaoka
Koharu Sasaki
Hosoi Mari
Uchida Masayasu
Application Number:
JP3893882U
Publication Date:
September 24, 1983
Filing Date:
March 19, 1982
Export Citation:
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International Classes:
H01J7/26; H01J7/28; H01J19/74; (IPC1-7): H01J7/28; H01J19/74
Domestic Patent References:
JPS4829009B11973-09-06
JPS5340500U1978-04-07
JPS5310249U1978-01-27



 
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