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
Машина для проходки колодцев круглого сечения в подземных горных выработках
摘要
申请公布号
SU130441(A1)
申请公布日期
1960.11.30
申请号
SU19590648263
申请日期
1959.12.24
申请人
LEVCHENKO P.M.;SINNER E.YA.;SPIROCHKIN K.N.;SHINKARENKO L.YA.
发明人
LEVCHENKO P.M.;SINNER E.YA.;SPIROCHKIN K.N.;SHINKARENKO L.YA.
分类号
E21B7/24;E21D1/06
主分类号
E21B7/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Lemon juice server
Doughnut inverter
Increasing the speed and thoroughness and economy of ultrasonic and other non-destructive testing of materials for detecting flaws or variances therein
Gas-fuelled lighter
Chain saw spur attachment
Combined locomotive and pony truck
Method and means for making cracked ice and the like
Walking mechanism for a doll
Nozzle assembly for abrasive blasting apparatus
Apparatus for assembling rolling bearing elements
Fitting for sanitary plumbing fixture
Bowling shoe with guide means
Collapsible boat
Hanger for a plumbing fixture
Memory system
Universally pivoted switch actuator mechanism
Anionic polymerization of lactams with volatile promoters
Spraying attachment with base
Electronic musical instrument
Combination bore sighting device and bore scope