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Individual
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Individual
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ES92640A1925-02-161925-02-16Máquina parlante con aparato para la introducción homogénea de dos o más agujas en el mismo surco acústico.
ExpiredES92640A1
(es)
Aparato para la colocación homogénea de varias agujas dispuestas unas detrás de otras de uno o de varios diafragmas de máquinas parlantes en el mismo surco acústico.
Kombinderad kontinuerligt verkande knådningsmaskin och sträng- eller paketpress för starkt klibbande, degartad massa, särskilt tallsåpa och liknande ämnen, jämte skärningsanordning