首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Illuminating apparatus for photographic use
摘要
申请公布号
US1790250(A)
申请公布日期
1931.01.27
申请号
US19280264494
申请日期
1928.03.24
申请人
SIMJIAN LUTHER G
发明人
SIMJIAN LUTHER G.
分类号
G03B15/02
主分类号
G03B15/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD OF AGEING INTERCONTACT GAP OF VACUUM SWITCHES WITH HIGH VOLTAGE
ANALOGUE STORAGE
ACCELERATOR FOR DEMONSTRATION
DEVICE FOR MONITORING LIGHT SIGNAL LAMPS
DEVICE FOR SIMULATING HYSTERESIS LOOP
TEMPERATURE REGULATOR
GATE CONTROL DEVICE
METHOD OF DISTRIBUTING LOAD CURRENT BETWEEN PARALLEL-CONNECTED VOLTAGE-STABILIZED POWER SOURCES
HEATER
HEATING PIPE
AIR REFRIGERATOR
HOPPER
CONVEYING PIPELINE
CROSS-COUNTRY VEHICLE
GRIPPER FOR SHEET-FED PRINTING PRESSES
NATURAL STONE GRINDING APPARATUS
DIAMOND WHEEL
DRILL SHARPENING METHOD
FEED AUTOMATIC DISENGAGEMENT DEVICE
CUTTING PROCESS AUTOMATIC MONITORING APPARATUS
