Telephone substation apparatus

申请公布号：US2553255(A)

申请号：US19480051612

申请日期：1948.09.28

申请公布日期：1951.05.15

申请人：

BELL TELEPHONE LABORATORIES, INCORPORATED

发明人：HAYWARD JOHN M.;JR. CHARLES A. JOHNSON,;NEISSER WILSON R.

分类号：H04M1/02

主分类号：H04M1/02

RECOVERY OF PRECIOUS METALS FROM CARBONACEOUS REFRACTORY ORES

G PROTEIN COUPLED RECEPTORS

FULL THICKNESS RESECTION DEVICE CONTROL HANDLE

NITROGEN SUBSTITUTED 1,2,4-TRIAZOLO[3,4-A]PHTHALAZINE DERIVATIVES FOR ENHANCING COGNITION

SEED-PREFERRED REGULATORY ELEMENTS AND USES THEREOF

METAL-CHELATING ADSORBENTS AND THEIR USE

METHOD FOR GRAPHITISING A CARBONISED FABRIC

THERMAL IMAGING ELEMENTS HAVING IMPROVED STABILITY

NOVEL CARBAMATE-SUBSTITUTED PYRAZOLOPYRIDINE DERIVATIVES

METHODS OF SYNTHESIZING AND USING DERIVATIVES OF [2-(2-AMINOETHOXY)ETHOXY] ACETIC ACID

METHOD AND SYSTEM FOR EXTRUSION EMBOSSING

PROCESS FOR PREPARING 3-ARYL-BENZO[B]THIOPHENES

METHOD OF ANALYSING MICROPOROUS MATERIAL

FLUID HANDLING IN MICROFLUIDIC DEVICES

V-CUTTER FOR AN LCD LIGHT GUIDE PANEL

WETTABLE POLYOLEFIN FIBERS AND FABRICS

SEAT PAD FOR VEHICLE

MAYONNAISE SAUCE AND PREPARATION METHOD THEREOF

INFLATABLE NEURAL PROSTHESIS

DEVICE FOR THE PROTECTION OF BODY PARTS FROM PENETRATING OBJECTS AND PROTECTIVE SUIT USING SAID PROTECTION DEVICE