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005 200902210153555.7
008 960221s1955 dcuabcdjdbkoqu001 0deng d
020 _a
022 _a
040 _aAdlib
082 _a621.372.832
245 _aNonreciprocal microwave juctions and circulators
250 _a
260 _aNew York
_bWiley Eastern
_c1975
300 _avii, 349p.
_c
500 _a
100 _aHelszajn, J
_e
700 _a
_a
942 _cBK
653 _amicrowave circulators
_amicrowave junctions
952 _w2010-11-24
_p00033348
_r2010-11-24
_40
_00
_bUL
_10
_o621.372.832 HEL
_d2010-11-24
_70
_yBK
_aUL
999 _c69225
_d69224