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BE400140A
(forum.php)
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US2664758A
(en)
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Mechanical drive
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US3749827A
(en)
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Endless non-metallic belt for intermittently moving a transducer head transversely across a rotary magnetic disc
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US2118347A
(en)
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Mechanical sound recording apparatus
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FR2489461A1
(fr)
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Mecanisme de commande a oscillateur variable
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US2692141A
(en)
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Constant linear speed phonographic apparatus
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US2808268A
(en)
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Sound translating apparatus
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US1952359A
(en)
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Phonographic apparatus and phonographic record
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CH174127A
(fr)
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Dispositif pour transformer une vitesse angulaire constante en une vitesse linéaire constante.
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CN218751901U
(zh)
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卷带收料装置
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JPH0142864Y2
(forum.php)
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US3183729A
(en)
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Variable speed transmission
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CN212554048U
(zh)
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一种用于霍尔传感器外壳的加工设备
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CN213498076U
(zh)
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一种可旋转定位式分度盘
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US2035287A
(en)
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Talking machine
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BE498314A
(forum.php)
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CH167225A
(fr)
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Dispositif enregistreur pour machine parlante à disque phonographique.
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SU399906A1
(ru)
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Прибор для демонстрации колебательных процессов систем
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US873013A
(en)
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Phonograph.
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SU1377672A1
(ru)
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Устройство дл испытани материалов на трение и износ
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SU806263A1
(ru)
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Устройство дл резки неповоротныхТРуб
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BE492319A
(forum.php)
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US936266A
(en)
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Phonograph.
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BE363359A
(forum.php)
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JPS5914921Y2
(ja)
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記録再生装置のリ−ル軸回転機構
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