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US4751608A
(en)
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Bulk degausser
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US3226478A
(en)
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Automatic telephone answering and message recording system
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US2412318A
(en)
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Safety drive, braking, and control mechanism for magnetic recording devices
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US4390752A
(en)
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Ring detection circuit for a telephone answering device
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US1928189A
(en)
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Automatic cut-out
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US4390751A
(en)
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End of rewind detection in a telephone answering device having remote playout
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BE565436A
(OSRAM)
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BE501820A
(OSRAM)
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BE495487A
(OSRAM)
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US2896046A
(en)
|
|
Voltage regulator
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BE368312A
(OSRAM)
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FR2538596A1
(fr)
|
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Circuit de commutation de mode pour appareil de reproduction
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JPS58158090A
(ja)
|
|
自動録音再生装置
|
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BE348122A
(OSRAM)
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BE507462A
(OSRAM)
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BE411782A
(OSRAM)
|
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BE437632A
(OSRAM)
|
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NO764041L
(OSRAM)
|
|
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BE543491A
(OSRAM)
|
|
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BE418910A
(OSRAM)
|
|
|
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BE466710A
(OSRAM)
|
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|
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BE442589A
(OSRAM)
|
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BE520864A
(OSRAM)
|
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BE343778A
(OSRAM)
|
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BE487833A
(OSRAM)
|
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