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经营范围
发明名称
Telegraph signal transmitting circuits
摘要
申请公布号
US1971686(A)
申请公布日期
1934.08.28
申请号
US19320590557
申请日期
1932.02.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KINKEAD FULLERTON S.
分类号
H04L12/06
主分类号
H04L12/06
代理机构
代理人
主权项
地址
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COMPOSITE TABLE
SHARE LUG OF NUCLEAR REACTOR CONTAINER
DOWN COMER SUPPORTING DEVICE FOR NUCLEAR REACTOR
BALL GUIDING DEVICE FOR AXIAL AND ROTARY MOTION
SUBMERSIBLE VESSEL
ION SOURCE, IN PARTICULAR FOR AN ION IMPLANTATION DEVICE
HEATABLE AND/OR ALARM GLAZING AND INTERMEDIATE LAYER USED IN ITS MANUFACTURE
PROCESS FOR DRYING FILTER RESIDUES
PROCESS FOR THE MANUFACTURE OF RESIN-MODIFIED POLYUREA FOAMS
IMPROVEMENTS IN OR RELATING TO FRICTION LININGS
NEW VIRIDOGRISEIN ANTIBIOTICS
ELECTRONIC SUPPLY ARRANGEMENT FOR A SERIES DC MOTOR WHICH PERMITS RAPID TRANSITION BETWEEN DRIVING AND REGENERATIVE BREAKING
MULTIPLE DOMAIN DATA COMMUNICATION
8-SULPHONAMIDOQUINOLINE DERIVATIVES AND THEIR USE IN THE EXTRACTION OF METALS FROM AQUEOUS SOLUTIONS THEREOF
VERFAHREN ZUR BEREITSTELLUNG HOHER DAMPFPARAMETER MITTELS WAERMEPUMPEN
ABDICHTUNG DES PUMPGEHAEUSES BEI KREISELRADPUMPEN
FADENABZUGSROHR AN OFFENEND-SPINNMASCHINEN
STUETZVORRICHTUNG,INSBESONDERE FUER WAND-KLAPPTISCHE
VERFAHREN UND VORRICHTUNG ZUR TRENNENDEN AUFBEREITUNG VON ERNTEGUETERN
FARBWERK FUER DRUCKMASCHINEN
