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 pit props
摘要
申请公布号
GB760227(A)
申请公布日期
1956.10.31
申请号
GB19530019534
申请日期
1953.07.14
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
BRUCKSHAW HERBERT STANLEY
分类号
E21D15/51
主分类号
E21D15/51
代理机构
代理人
主权项
地址
您可能感兴趣的专利
包装袋(雪梨士)-2
Galacturonic acid derivatives, process for their preparation and their uses
Process for the production of light-colored seasoning liquors
PSYLLIUM-ENRICHED DOUGH PRODUCTS AND METHOD FOR MAKING THE SAME
POLYMER COMPOSITIONS
WATER-SOLUBLE COBALT CATALYSTS, PROCESS FOR THEIR PREPARATION AND THEIR USE AS HYDROFORMYLATION CATALYSTS IN A TWO-PHASE SYSTEM WITH POLYETHYLENE GLYCOL AS THE POLAR PHASE
Multiple step valve opening control system
Electrofusion joint and hot water supply header using the same
REFRIGERANT COMPOSITION FOR ABSORPTION REFRIGERATORS
Method for electronically transferring personal information on credit gaining card, and mini IC card, adapter card, terminal adapter, slip issuing device, portable terminal used therein
Method and device for information anti-duplication
Information transmission method, information duplication prohibiting method, information duplication prohibiting device and information recording medium
Display discharge tubes
补偿音频信号记录的装置
用于玻璃纤维的胶料组合物,使用这种组合物的方法及其所得到的产品
纤维素模塑体和它的制造方法
Gas storage apparatus, gaseous fuel automobile using the gas storage apparatus, gas storage method and methane adsorbing-retaining agent
Medical waste disposal container
Combustion engine with EGR apparatus
Air intake method and controller for engines performing stratified charge combustion
