Zobrazeno 1 - 2
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pro vyhledávání: '"W J, Kopp"'
Publikováno v:
Bell System Technical Journal. 39:1445-1504
The E6 repeater is a low-cost, transistorized, voice-frequency, two-way repeater for use in the exchange area plant, including use in trunks between local offices and between local and toll offices. It permits both types of trunks to be operated at l
Autor:
G R, Eisele, W J, Kopp
Publikováno v:
Laboratory animal science. 29(4)
A swine metabolism unit was constructed which permitted separate quantitative collection of urine and feces. The unit was built of wood and proved to be reliable. It was adapted for studies with goats, sheep and young cattle.