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
Improvements in or relating to photographic developing tanks
摘要
申请公布号
GB531486(A)
申请公布日期
1941.01.06
申请号
GB19390021149
申请日期
1939.07.20
申请人
JOHN NEVILLE BROWN
发明人
分类号
G03D13/00
主分类号
G03D13/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TUBE EXPANDER
GRAIN AGITATING DEVICE
FILTER CARTRIDGE
BATH WATER SUCTION PUMP FOR WASHING MACHINE
DRIVE DEVICE FOR SEWING MACHINE
SAFETY RAZOR
GAME ISLAND
GAME MACHINE
GAME CONTROLLER
INFORMATION DISTRIBUTOR AND METHOD OF INFORMATION DISTRIBUTING METHOD FOR GAME PARLOR
BIOLOGICAL ADHESIVE SPRAYING NOZZLE
BLOOD PURIFYING DEVICE
DENTAL HANDPIECE
DOUBLE CONTAINER WITH APPLICATOR
SCOOP
COSMETIC POWDER PUFF
ORAL CAVITY STREPTOCOCCUS FRACTIONATOR AND DEVELOPING MEMBER FOR THE BACTERIUM, AND METHOD FOR FRACTIONATION USING THE FRACTIONATOR
SAFETY ASH TRAY HAVING FIRE EXTINGUISHING POT
APPARATUS FOR SKINNING AND TRANSPORTING CARCASS
TOOL FOR CONFIRMING INHABITATION OF FLYING PEST