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经营范围
发明名称
Automatic damper
摘要
申请公布号
US1767869(A)
申请公布日期
1930.06.24
申请号
US19280315900
申请日期
1928.10.29
申请人
NEWCOMB-DAVID COMPANY, INC.
发明人
BAUMGARTEN HUGO C.
分类号
F24F11/00
主分类号
F24F11/00
代理机构
代理人
主权项
地址
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MOTOR
METHOD OF ELECTRICAL CONNECTION OF THIN COIL
STARTING DEVICE, DISCHARGE LAMP LIGHTING DEVICE, AND LIGHTING SYSTEM
OCEANOGRAPHIC OBSERVATION SYSTEM USING AUTOMATIC SINKING-FLOATING OBSERVATION MACHINE
POWER SOURCE, DISCHARGE LAMP LIGHTING DEVICE AND ILLUMINATOR
SUPERDIRECTIONAL MICROPHONE
MANUFACTURE OF MULTI-LAYER LEAD FRAME
LUMINAIRE
ILLUMINATOR
ELASTIC ROLLER
NEGATIVE PHOTOSENSITIVE ELECTRODEPOSITION COATING RESIN COMPOSITION, ELECTRODEPOSITION COATING BATH USING THAT, AND MANUFACTURE OF RESIST PATTERN
FACSIMILE EQUIPMENT
AIR CONDITIONER
SERVO VALVE
RANGE FINDER
TUNER DEVICE
CHARGING CONTROLLER, CONTROL METHOD AND ELECTRONIC APPLIANCE EQUIPPED WITH CHARGING CONTROLLER
MANUFACTURE OF SEMICONDUCTOR DEVICE
OPTICAL MULTIPLEX COMMUNICATION SYSTEM WITH ROTATING PART
OPTICAL DEVICE
