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
WELD ROD COATING
摘要
申请公布号
CA337360(A)
申请公布日期
1933.11.21
申请号
CAD337360
申请日期
申请人
THE PETROLEUM IRON WORKS COMPANY
发明人
FREDERICK J. ESSLINGER
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Telephone listening aid
Method of producing graded coatings
Process and composition for use in color photography
Process for recovering iodine from oil well brine
Recovery of sulfur dioxide contained in waste gases
Hairpin dispenser
Preparation of aromatic polybasic acid chlorides
Method of preparing an aluminumcaustic soda composition
Method of preserving meat
Liquid atomizer device
Selecting game device and book
Litter handling apparatus
Liquid filling machine operating by suction
Airport fueling apparatus
Pitch control mechanism for loader scoops
HYDRAULIC SCALE CHECK LINK
PHOTOGRAPHIC APPARATUS
METHOD FOR IMPROVING HYDROCARBONS
RESILIENT MOUNTING
ELECTRON EMITTERS