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Reloj de pared empotrado
申请公布号：ES69949(U)
申请号：ES19490000699U
申请日期：1958.11.14
申请公布日期：1959.02.01
Low frequency oscillators and the measuring of the amplitude of low frequency oscillations
High frequency vibrator or the like
Process for the improvement of color in meat
Adjustably extendable and lockable table leg or the like
Construction of distillation columns and like structures
Front feed apparatus for bookkeeping or typewriting machines
Filling machine for open mouth bags
Cushioning device for hammer tools
Fluid pressure system with recirculating circuit
Sheet feeding arrangement for printing machines
Breech mechanisms for open-chamber guns
Gaussian dual objective with four air-spaced members
Electrical system for measuring the rate of motion of a fluid
Device for use in connection with the pouring of fiery molten masses