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
Down-hole casing spray gun
摘要
申请公布号
US2698057(A)
申请公布日期
1954.12.28
申请号
US19510254960
申请日期
1951.11.05
申请人
PHILLIPS PETROLCUM COMPANY
发明人
KELLY HAROLD S.
分类号
E21B41/02
主分类号
E21B41/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHARGING ARRANGEMENT
FEEDER TO AUTOMATIC CHUCKING LATHE
METAL-CUTTING MACHINE WITH AUTOMATIC CHANGE OF TOOL
DEVICE FOR RESISTANCE CUTTING
METHOD OF CHECKING CONSUMPTION OF LIQUID MELT
METHOD OF SEMICONTINUOUS CASTING OF METAL
MOULDING SAND FOR MAKING INVESTMENT MOULDS
METHOD OF METAL DRAWING UTILIZING VIBRATIONS OF TOOL
GLASS-REINFORCED PLASTIC
ROTARY CENTRE
VIBRATING SIEVE
TURNTABLE
METHOD OF IRRIGATION OF FARM CROPS
METHOD OF WATERING CATCH CROPS IN RICE ROTATION
WET-TYPE DUST COLLECTOR
ARRANGEMENT FOR REMOVING WHITE-WASHING COMPOSITION
ENKELT KASSASKAP
SKIDANORDNING.
PROCESS AND MOULD FOR MANUFACTURING ARTICLES FROM PLASTIC MATERIALS
PLASTIC MATERIAL PACKING FOR LINING TINS
