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标题:
IEEE Std 302-1969
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作者:
tthung
时间:
2013-12-10 15:21:19
标题:
IEEE Std 302-1969
IEEE Std 302-1969
IEEE Standard Methods for Measuring Electromagnetic Field Strength for Frequencies Below 1000 MHz in Radio Wave Propagation
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作者:
admin
时间:
2013-12-10 18:55:47
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